Home / 749,146,246.20-1,123,719,369.30-531,468,012.60

Finding the Fourth Proportional to 749,146,246.20, 1,123,719,369.30 and 531,468,012.60

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Solution

The fourth proportional to 749,146,246.20, 1,123,719,369.30 and 531,468,012.60 is: 797,202,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,146,246.20 : 1,123,719,369.30 = 531,468,012.60 : x
  2. Step 2: Convert to fraction form
    749,146,246.20/1,123,719,369.30 = 531,468,012.60/x
  3. Step 3: Cross multiply
    749,146,246.20x = 1,123,719,369.30 × 531,468,012.60
  4. Step 4: Simplify right side
    749,146,246.20x = 597,220,899,921,996,416
  5. Step 5: Solve for x
    x = 597,220,899,921,996,416/749,146,246.20
  6. Step 6: Final answer
    x = 797,202,018.90

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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.