Home / 402,930,882.10-604,519,671-206,333,493.64

Finding the Fourth Proportional to 402,930,882.10, 604,519,671 and 206,333,493.64

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Solution

The fourth proportional to 402,930,882.10, 604,519,671 and 206,333,493.64 is: 309,563,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,930,882.10 : 604,519,671 = 206,333,493.64 : x
  2. Step 2: Convert to fraction form
    402,930,882.10/604,519,671 = 206,333,493.64/x
  3. Step 3: Cross multiply
    402,930,882.10x = 604,519,671 × 206,333,493.64
  4. Step 4: Simplify right side
    402,930,882.10x = 124,732,655,691,533,376
  5. Step 5: Solve for x
    x = 124,732,655,691,533,376/402,930,882.10
  6. Step 6: Final answer
    x = 309,563,404.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.