| ( | ( | X | × | 627 10000 | × | 180 | ÷ | 360 | ) | + | X | ) | × | 34471 5000 | × | 103 100 | = | 30000000 |
| 方程左边 = | ( | ( | X | × | 627 10000 | × | 180 | ÷ | 360 | ) | + | X | ) | × | 3550513 500000 |
| ( | ( | X | × | 627 10000 | × | 180 | ÷ | 360 | ) | + | X | ) | × | 3550513 500000 | = | 30000000 |
| 方程左边 = | ( | X | × | 627 10000 | × | 180 | ÷ | 360 | ) | × | 3550513 500000 | + | X | × | 3550513 500000 |
| = | X | × | 627 10000 | × | 180 | ÷ | 360 | × | 3550513 500000 | + | 3550513 500000 | X |
| = | X | × | 2226171651 10000000000 | + | 3550513 500000 | X |