Home / 12,391,468,279.80-18,587,202,419.70-9,942,588,151.80

Finding the Fourth Proportional to 12,391,468,279.80, 18,587,202,419.70 and 9,942,588,151.80

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Solution

The fourth proportional to 12,391,468,279.80, 18,587,202,419.70 and 9,942,588,151.80 is: 14,913,882,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,468,279.80 : 18,587,202,419.70 = 9,942,588,151.80 : x
  2. Step 2: Convert to fraction form
    12,391,468,279.80/18,587,202,419.70 = 9,942,588,151.80/x
  3. Step 3: Cross multiply
    12,391,468,279.80x = 18,587,202,419.70 × 9,942,588,151.80
  4. Step 4: Simplify right side
    12,391,468,279.80x = 184,804,898,553,217,515,520
  5. Step 5: Solve for x
    x = 184,804,898,553,217,515,520/12,391,468,279.80
  6. Step 6: Final answer
    x = 14,913,882,227.70

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1.5x scale

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.