Home / 392,007,647.27-588,008,855.16-158,834,919.17

Finding the Fourth Proportional to 392,007,647.27, 588,008,855.16 and 158,834,919.17

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Solution

The fourth proportional to 392,007,647.27, 588,008,855.16 and 158,834,919.17 is: 238,251,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,007,647.27 : 588,008,855.16 = 158,834,919.17 : x
  2. Step 2: Convert to fraction form
    392,007,647.27/588,008,855.16 = 158,834,919.17/x
  3. Step 3: Cross multiply
    392,007,647.27x = 588,008,855.16 × 158,834,919.17
  4. Step 4: Simplify right side
    392,007,647.27x = 93,396,338,980,443,456
  5. Step 5: Solve for x
    x = 93,396,338,980,443,456/392,007,647.27
  6. Step 6: Final answer
    x = 238,251,318.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.