Home / 20,829,960,121.38-31,244,855,151.51-7,565,192,761.38

Finding the Fourth Proportional to 20,829,960,121.38, 31,244,855,151.51 and 7,565,192,761.38

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Solution

The fourth proportional to 20,829,960,121.38, 31,244,855,151.51 and 7,565,192,761.38 is: 11,347,758,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829,960,121.38 : 31,244,855,151.51 = 7,565,192,761.38 : x
  2. Step 2: Convert to fraction form
    20,829,960,121.38/31,244,855,151.51 = 7,565,192,761.38/x
  3. Step 3: Cross multiply
    20,829,960,121.38x = 31,244,855,151.51 × 7,565,192,761.38
  4. Step 4: Simplify right side
    20,829,960,121.38x = 236,373,352,022,570,041,344
  5. Step 5: Solve for x
    x = 236,373,352,022,570,041,344/20,829,960,121.38
  6. Step 6: Final answer
    x = 11,347,758,259.99

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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.