Home / 381,672,046.20-572,508,069.30-260,739,694.20

Finding the Fourth Proportional to 381,672,046.20, 572,508,069.30 and 260,739,694.20

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Solution

The fourth proportional to 381,672,046.20, 572,508,069.30 and 260,739,694.20 is: 391,109,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,672,046.20 : 572,508,069.30 = 260,739,694.20 : x
  2. Step 2: Convert to fraction form
    381,672,046.20/572,508,069.30 = 260,739,694.20/x
  3. Step 3: Cross multiply
    381,672,046.20x = 572,508,069.30 × 260,739,694.20
  4. Step 4: Simplify right side
    381,672,046.20x = 149,275,578,916,314,400
  5. Step 5: Solve for x
    x = 149,275,578,916,314,400/381,672,046.20
  6. Step 6: Final answer
    x = 391,109,541.30

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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.