| ( | 4747 100 | ( | 1 | + | a | ) | × | 500 | + | 5147 100 | ( | 1 | + | a | ) | × | 134 | ) | ÷ | 634 | = | 569 10 |
| 方程左边 = | 4747 100 | ( | 1 | + | a | ) | × | 500 | × | 1 634 | + | 5147 100 | ( | 1 | + | a | ) | × | 134 | × | 1 634 |
| = | 23735 634 | ( | 1 | + | a | ) | + | 344849 31700 | ( | 1 | + | a | ) |
| = | 23735 634 | × | 1 | + | 23735 634 | a | + | 344849 31700 | ( | 1 | + | a | ) |
| = | 23735 634 | + | 23735 634 | a | + | 344849 31700 | ( | 1 | + | a | ) |
| = | 23735 634 | + | 23735 634 | a | + | 344849 31700 | × | 1 | + | 344849 31700 | a |
| = | 23735 634 | + | 23735 634 | a | + | 344849 31700 | + | 344849 31700 | a |
| = | 1531599 31700 | + | 1531599 31700 | a |
1531599 31700 | + | 1531599 31700 | a | = | 569 10 |
1531599 31700 | a | = | 569 10 | − | 1531599 31700 |
1531599 31700 | a | = | 272131 31700 |
| a | = | 272131 31700 | ÷ | 1531599 31700 |
| = | 272131 31700 | × | 31700 1531599 |
| = | 272131 317 | × | 317 1531599 |
| a | = | 86265527 485516883 |
| a | = | 272131 1531599 |
| a | = | 0.177678 |