| ( | 704952300 | − | X | − | 1768275 | − | 5000 | − | 20000000 | ) | × | 3 2500 | = | X |
| 方程左边 = | 704952300 | × | 3 2500 | − | X | × | 3 2500 | − | 1768275 | × | 3 2500 | − | 5000 | × | 3 2500 | − | 20000000 | × | 3 2500 |
| = | 21148569 25 | − | X | × | 3 2500 | − | 212193 100 | − | 6 | − | 24000 |
| = | 81981483 100 | − | 3 2500 | X |
81981483 100 | − | 3 2500 | X | = | X |
| - | 3 2500 | X | − | X | = | - | 81981483 100 |
| - | 2503 2500 | X | = | - | 81981483 100 |
81981483 100 | = | 2503 2500 | X |
2503 2500 | X | = | 81981483 100 |
| X | = | 81981483 100 | ÷ | 2503 2500 |
| = | 81981483 100 | × | 2500 2503 |
| = | 81981483 | × | 25 2503 |
| X | = | 2049537075 2503 |
| X | = | 818832.231322 |