Home / 452,743,500.80-679,115,251.20-129,627,372.80

Finding the Fourth Proportional to 452,743,500.80, 679,115,251.20 and 129,627,372.80

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Solution

The fourth proportional to 452,743,500.80, 679,115,251.20 and 129,627,372.80 is: 194,441,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,743,500.80 : 679,115,251.20 = 129,627,372.80 : x
  2. Step 2: Convert to fraction form
    452,743,500.80/679,115,251.20 = 129,627,372.80/x
  3. Step 3: Cross multiply
    452,743,500.80x = 679,115,251.20 × 129,627,372.80
  4. Step 4: Simplify right side
    452,743,500.80x = 88,031,925,841,468,048
  5. Step 5: Solve for x
    x = 88,031,925,841,468,048/452,743,500.80
  6. Step 6: Final answer
    x = 194,441,059.20

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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.