Home / 683,712,115.20-1,025,543,289.60-274,657,190.40

Finding the Fourth Proportional to 683,712,115.20, 1,025,543,289.60 and 274,657,190.40

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Solution

The fourth proportional to 683,712,115.20, 1,025,543,289.60 and 274,657,190.40 is: 411,975,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,712,115.20 : 1,025,543,289.60 = 274,657,190.40 : x
  2. Step 2: Convert to fraction form
    683,712,115.20/1,025,543,289.60 = 274,657,190.40/x
  3. Step 3: Cross multiply
    683,712,115.20x = 1,025,543,289.60 × 274,657,190.40
  4. Step 4: Simplify right side
    683,712,115.20x = 281,672,838,555,109,536
  5. Step 5: Solve for x
    x = 281,672,838,555,109,536/683,712,115.20
  6. Step 6: Final answer
    x = 411,975,789.65

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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.