Home / 12,754,689,449.40-19,132,034,174.10-11,591,471,388.60

Finding the Fourth Proportional to 12,754,689,449.40, 19,132,034,174.10 and 11,591,471,388.60

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Solution

The fourth proportional to 12,754,689,449.40, 19,132,034,174.10 and 11,591,471,388.60 is: 17,387,207,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,689,449.40 : 19,132,034,174.10 = 11,591,471,388.60 : x
  2. Step 2: Convert to fraction form
    12,754,689,449.40/19,132,034,174.10 = 11,591,471,388.60/x
  3. Step 3: Cross multiply
    12,754,689,449.40x = 19,132,034,174.10 × 11,591,471,388.60
  4. Step 4: Simplify right side
    12,754,689,449.40x = 221,768,426,734,797,586,432
  5. Step 5: Solve for x
    x = 221,768,426,734,797,586,432/12,754,689,449.40
  6. Step 6: Final answer
    x = 17,387,207,082.90

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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.