Home / 575,201,105.10-862,801,657.65-399,187,845.90

Finding the Fourth Proportional to 575,201,105.10, 862,801,657.65 and 399,187,845.90

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Solution

The fourth proportional to 575,201,105.10, 862,801,657.65 and 399,187,845.90 is: 598,781,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,201,105.10 : 862,801,657.65 = 399,187,845.90 : x
  2. Step 2: Convert to fraction form
    575,201,105.10/862,801,657.65 = 399,187,845.90/x
  3. Step 3: Cross multiply
    575,201,105.10x = 862,801,657.65 × 399,187,845.90
  4. Step 4: Simplify right side
    575,201,105.10x = 344,419,935,156,252,736
  5. Step 5: Solve for x
    x = 344,419,935,156,252,736/575,201,105.10
  6. Step 6: Final answer
    x = 598,781,768.85

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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.