Home / 478,095,956.97-659,755,002-266,391,849.21

Finding the Fourth Proportional to 478,095,956.97, 659,755,002 and 266,391,849.21

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Solution

The fourth proportional to 478,095,956.97, 659,755,002 and 266,391,849.21 is: 367,611,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,095,956.97 : 659,755,002 = 266,391,849.21 : x
  2. Step 2: Convert to fraction form
    478,095,956.97/659,755,002 = 266,391,849.21/x
  3. Step 3: Cross multiply
    478,095,956.97x = 659,755,002 × 266,391,849.21
  4. Step 4: Simplify right side
    478,095,956.97x = 175,753,355,008,327,264
  5. Step 5: Solve for x
    x = 175,753,355,008,327,264/478,095,956.97
  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.