Home / 15,147,298,997.70-22,720,948,496.55-4,105,815,061.20

Finding the Fourth Proportional to 15,147,298,997.70, 22,720,948,496.55 and 4,105,815,061.20

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Solution

The fourth proportional to 15,147,298,997.70, 22,720,948,496.55 and 4,105,815,061.20 is: 6,158,722,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147,298,997.70 : 22,720,948,496.55 = 4,105,815,061.20 : x
  2. Step 2: Convert to fraction form
    15,147,298,997.70/22,720,948,496.55 = 4,105,815,061.20/x
  3. Step 3: Cross multiply
    15,147,298,997.70x = 22,720,948,496.55 × 4,105,815,061.20
  4. Step 4: Simplify right side
    15,147,298,997.70x = 93,288,012,541,884,481,536
  5. Step 5: Solve for x
    x = 93,288,012,541,884,481,536/15,147,298,997.70
  6. Step 6: Final answer
    x = 6,158,722,591.80

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Double scale
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Similar ratio
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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.