Home / 478,095,957-659,755,001.97-266,391,849.24

Finding the Fourth Proportional to 478,095,957, 659,755,001.97 and 266,391,849.24

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Solution

The fourth proportional to 478,095,957, 659,755,001.97 and 266,391,849.24 is: 367,611,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,095,957 : 659,755,001.97 = 266,391,849.24 : x
  2. Step 2: Convert to fraction form
    478,095,957/659,755,001.97 = 266,391,849.24/x
  3. Step 3: Cross multiply
    478,095,957x = 659,755,001.97 × 266,391,849.24
  4. Step 4: Simplify right side
    478,095,957x = 175,753,355,020,128,160
  5. Step 5: Solve for x
    x = 175,753,355,020,128,160/478,095,957
  6. Step 6: Final answer
    x = 367,611,046.37

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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.