Home / 657,598,569.24-907,478,793.39-356,176,381.86

Finding the Fourth Proportional to 657,598,569.24, 907,478,793.39 and 356,176,381.86

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Solution

The fourth proportional to 657,598,569.24, 907,478,793.39 and 356,176,381.86 is: 491,519,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,598,569.24 : 907,478,793.39 = 356,176,381.86 : x
  2. Step 2: Convert to fraction form
    657,598,569.24/907,478,793.39 = 356,176,381.86/x
  3. Step 3: Cross multiply
    657,598,569.24x = 907,478,793.39 × 356,176,381.86
  4. Step 4: Simplify right side
    657,598,569.24x = 323,222,513,244,328,704
  5. Step 5: Solve for x
    x = 323,222,513,244,328,704/657,598,569.24
  6. Step 6: Final answer
    x = 491,519,489.80

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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.