Home / 840,107,110.20-1,260,160,665.30-725,221,375.80

Finding the Fourth Proportional to 840,107,110.20, 1,260,160,665.30 and 725,221,375.80

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Solution

The fourth proportional to 840,107,110.20, 1,260,160,665.30 and 725,221,375.80 is: 1,087,832,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,107,110.20 : 1,260,160,665.30 = 725,221,375.80 : x
  2. Step 2: Convert to fraction form
    840,107,110.20/1,260,160,665.30 = 725,221,375.80/x
  3. Step 3: Cross multiply
    840,107,110.20x = 1,260,160,665.30 × 725,221,375.80
  4. Step 4: Simplify right side
    840,107,110.20x = 913,895,451,417,909,248
  5. Step 5: Solve for x
    x = 913,895,451,417,909,248/840,107,110.20
  6. Step 6: Final answer
    x = 1,087,832,063.70

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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.