| ( | X | − | 304220 | ) | ÷ | X | = | 53499 100000 |
| 方程两边同时乘以: | X |
| ( | X | − | 304220 | ) | = | 53499 100000 | X |
| X | − | 304220 | = | 53499 100000 | X |
| X | − | 53499 100000 | X | = | 304220 |
46501 100000 | X | = | 304220 |
| X | = | 304220 | ÷ | 46501 100000 |
| = | 304220 | × | 100000 46501 |
| = | 43460 | × | 100000 6643 |
| X | = | 4346000000 6643 |
| X | = | 654222.489839 |
| ( | X | − | 304220 | ) | ÷ | X | = | 52499 100000 |
| 方程两边同时乘以: | X |
| ( | X | − | 304220 | ) | = | 52499 100000 | X |
| X | − | 304220 | = | 52499 100000 | X |
| X | − | 52499 100000 | X | = | 304220 |
47501 100000 | X | = | 304220 |
| X | = | 304220 | ÷ | 47501 100000 |
| = | 304220 | × | 100000 47501 |
| X | = | 30422000000 47501 |
| ( | X | − | 304220 | ) | ÷ | X | = | 51499 100000 |
| 方程两边同时乘以: | X |
| ( | X | − | 304220 | ) | = | 51499 100000 | X |
| X | − | 304220 | = | 51499 100000 | X |
| X | − | 51499 100000 | X | = | 304220 |
48501 100000 | X | = | 304220 |
| X | = | 304220 | ÷ | 48501 100000 |
| = | 304220 | × | 100000 48501 |
| X | = | 30422000000 48501 |