| x | ÷ | 9 100 | + | ( | 74292249 50 | − | x | ) | ÷ | 13 100 | = | 356623669 25 |
| 方程左边 = | 100 9 | x | + | 74292249 50 | × | 100 13 | − | x | × | 100 13 |
| = | 100 9 | x | + | 148584498 13 | − | x | × | 100 13 |
| = | 400 117 | x | + | 148584498 13 |
400 117 | x | + | 148584498 13 | = | 356623669 25 |
400 117 | x | = | 356623669 25 | − | 148584498 13 |
400 117 | x | = | 921495247 325 |
| x | = | 921495247 325 | ÷ | 400 117 |
| = | 921495247 325 | × | 117 400 |
| x | = | 107814943899 130000 |