| ( | 442163 20 | − | X | ÷ | 101 100 | × | 1 100 | ) | × | 28 25 | = | 13676279 50 | − | X |
| 方程左边 = | 442163 20 | × | 28 25 | − | X | ÷ | 101 100 | × | 1 100 | × | 28 25 |
| = | 3095141 125 | − | X | × | 28 2525 |
3095141 125 | − | 28 2525 | X | = | 13676279 50 | − | X |
| - | 28 2525 | X | + | X | = | 13676279 50 | − | 3095141 125 |
| - | - | 2497 2525 | X | = | 13676279 50 | − | 3095141 125 |
| - | - | 2497 2525 | X | = | 62191113 250 |
| - | 62191113 250 | = | - | 2497 2525 | X |
| - | 2497 2525 | X | = | - | 62191113 250 |
| X | = | 62191113 250 | ÷ | 2497 2525 |
| = | 62191113 250 | × | 2525 2497 |
| = | 62191113 10 | × | 101 2497 |
| X | = | 6281302413 24970 |
| X | = | 251553.961274 |