Home / 8,101,998,346.40-12,145,344,769.20-4,788,357,423.20

Finding the Fourth Proportional to 8,101,998,346.40, 12,145,344,769.20 and 4,788,357,423.20

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Solution

The fourth proportional to 8,101,998,346.40, 12,145,344,769.20 and 4,788,357,423.20 is: 7,178,013,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,998,346.40 : 12,145,344,769.20 = 4,788,357,423.20 : x
  2. Step 2: Convert to fraction form
    8,101,998,346.40/12,145,344,769.20 = 4,788,357,423.20/x
  3. Step 3: Cross multiply
    8,101,998,346.40x = 12,145,344,769.20 × 4,788,357,423.20
  4. Step 4: Simplify right side
    8,101,998,346.40x = 58,156,251,782,922,108,928
  5. Step 5: Solve for x
    x = 58,156,251,782,922,108,928/8,101,998,346.40
  6. Step 6: Final answer
    x = 7,178,013,287.15

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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.