Home / 2,251,261,872.96-3,106,741,679.28-1,247,744,229.26

Finding the Fourth Proportional to 2,251,261,872.96, 3,106,741,679.28 and 1,247,744,229.26

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Solution

The fourth proportional to 2,251,261,872.96, 3,106,741,679.28 and 1,247,744,229.26 is: 1,721,887,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,261,872.96 : 3,106,741,679.28 = 1,247,744,229.26 : x
  2. Step 2: Convert to fraction form
    2,251,261,872.96/3,106,741,679.28 = 1,247,744,229.26/x
  3. Step 3: Cross multiply
    2,251,261,872.96x = 3,106,741,679.28 × 1,247,744,229.26
  4. Step 4: Simplify right side
    2,251,261,872.96x = 3,876,419,002,123,142,144
  5. Step 5: Solve for x
    x = 3,876,419,002,123,142,144/2,251,261,872.96
  6. Step 6: Final answer
    x = 1,721,887,199.66

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.