Home / 574,520,255.70-861,780,383.55-399,168,345.30

Finding the Fourth Proportional to 574,520,255.70, 861,780,383.55 and 399,168,345.30

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Solution

The fourth proportional to 574,520,255.70, 861,780,383.55 and 399,168,345.30 is: 598,752,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,520,255.70 : 861,780,383.55 = 399,168,345.30 : x
  2. Step 2: Convert to fraction form
    574,520,255.70/861,780,383.55 = 399,168,345.30/x
  3. Step 3: Cross multiply
    574,520,255.70x = 861,780,383.55 × 399,168,345.30
  4. Step 4: Simplify right side
    574,520,255.70x = 343,995,449,713,652,800
  5. Step 5: Solve for x
    x = 343,995,449,713,652,800/574,520,255.70
  6. Step 6: Final answer
    x = 598,752,517.95

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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.