Home / 655,284,944.76-904,287,248.82-357,927,139.32

Finding the Fourth Proportional to 655,284,944.76, 904,287,248.82 and 357,927,139.32

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Solution

The fourth proportional to 655,284,944.76, 904,287,248.82 and 357,927,139.32 is: 493,936,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,284,944.76 : 904,287,248.82 = 357,927,139.32 : x
  2. Step 2: Convert to fraction form
    655,284,944.76/904,287,248.82 = 357,927,139.32/x
  3. Step 3: Cross multiply
    655,284,944.76x = 904,287,248.82 × 357,927,139.32
  4. Step 4: Simplify right side
    655,284,944.76x = 323,668,948,093,695,680
  5. Step 5: Solve for x
    x = 323,668,948,093,695,680/655,284,944.76
  6. Step 6: Final answer
    x = 493,936,188.65

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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.