Home / 466,543,819.50-699,929,103.34-143,427,691.50

Finding the Fourth Proportional to 466,543,819.50, 699,929,103.34 and 143,427,691.50

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Solution

The fourth proportional to 466,543,819.50, 699,929,103.34 and 143,427,691.50 is: 215,176,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,543,819.50 : 699,929,103.34 = 143,427,691.50 : x
  2. Step 2: Convert to fraction form
    466,543,819.50/699,929,103.34 = 143,427,691.50/x
  3. Step 3: Cross multiply
    466,543,819.50x = 699,929,103.34 × 143,427,691.50
  4. Step 4: Simplify right side
    466,543,819.50x = 100,389,215,505,721,152
  5. Step 5: Solve for x
    x = 100,389,215,505,721,152/466,543,819.50
  6. Step 6: Final answer
    x = 215,176,391.39

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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.