Home / 655,509,020.68-904,591,746.93-358,144,863.22

Finding the Fourth Proportional to 655,509,020.68, 904,591,746.93 and 358,144,863.22

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Solution

The fourth proportional to 655,509,020.68, 904,591,746.93 and 358,144,863.22 is: 494,234,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,509,020.68 : 904,591,746.93 = 358,144,863.22 : x
  2. Step 2: Convert to fraction form
    655,509,020.68/904,591,746.93 = 358,144,863.22/x
  3. Step 3: Cross multiply
    655,509,020.68x = 904,591,746.93 × 358,144,863.22
  4. Step 4: Simplify right side
    655,509,020.68x = 323,974,887,474,185,728
  5. Step 5: Solve for x
    x = 323,974,887,474,185,728/655,509,020.68
  6. Step 6: Final answer
    x = 494,234,064.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.