Home / 8,538,841,373.81-12,791,581,439.92-5,882,428,220.90

Finding the Fourth Proportional to 8,538,841,373.81, 12,791,581,439.92 and 5,882,428,220.90

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Solution

The fourth proportional to 8,538,841,373.81, 12,791,581,439.92 and 5,882,428,220.90 is: 8,812,151,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,841,373.81 : 12,791,581,439.92 = 5,882,428,220.90 : x
  2. Step 2: Convert to fraction form
    8,538,841,373.81/12,791,581,439.92 = 5,882,428,220.90/x
  3. Step 3: Cross multiply
    8,538,841,373.81x = 12,791,581,439.92 × 5,882,428,220.90
  4. Step 4: Simplify right side
    8,538,841,373.81x = 75,245,559,652,044,472,320
  5. Step 5: Solve for x
    x = 75,245,559,652,044,472,320/8,538,841,373.81
  6. Step 6: Final answer
    x = 8,812,151,011.83

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Double scale
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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.