Home / 478,095,972.32-659,755,023-266,391,864.56

Finding the Fourth Proportional to 478,095,972.32, 659,755,023 and 266,391,864.56

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Solution

The fourth proportional to 478,095,972.32, 659,755,023 and 266,391,864.56 is: 367,611,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,095,972.32 : 659,755,023 = 266,391,864.56 : x
  2. Step 2: Convert to fraction form
    478,095,972.32/659,755,023 = 266,391,864.56/x
  3. Step 3: Cross multiply
    478,095,972.32x = 659,755,023 × 266,391,864.56
  4. Step 4: Simplify right side
    478,095,972.32x = 175,753,370,729,795,680
  5. Step 5: Solve for x
    x = 175,753,370,729,795,680/478,095,972.32
  6. Step 6: Final answer
    x = 367,611,067.45

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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.