Home / 574,517,111.70-861,775,667.55-399,165,201.30

Finding the Fourth Proportional to 574,517,111.70, 861,775,667.55 and 399,165,201.30

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Solution

The fourth proportional to 574,517,111.70, 861,775,667.55 and 399,165,201.30 is: 598,747,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,517,111.70 : 861,775,667.55 = 399,165,201.30 : x
  2. Step 2: Convert to fraction form
    574,517,111.70/861,775,667.55 = 399,165,201.30/x
  3. Step 3: Cross multiply
    574,517,111.70x = 861,775,667.55 × 399,165,201.30
  4. Step 4: Simplify right side
    574,517,111.70x = 343,990,857,813,037,632
  5. Step 5: Solve for x
    x = 343,990,857,813,037,632/574,517,111.70
  6. Step 6: Final answer
    x = 598,747,801.95

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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.