Home / 2,086,204,099.53-3,129,790,179.26-687,138,164.29

Finding the Fourth Proportional to 2,086,204,099.53, 3,129,790,179.26 and 687,138,164.29

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Solution

The fourth proportional to 2,086,204,099.53, 3,129,790,179.26 and 687,138,164.29 is: 1,030,866,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,204,099.53 : 3,129,790,179.26 = 687,138,164.29 : x
  2. Step 2: Convert to fraction form
    2,086,204,099.53/3,129,790,179.26 = 687,138,164.29/x
  3. Step 3: Cross multiply
    2,086,204,099.53x = 3,129,790,179.26 × 687,138,164.29
  4. Step 4: Simplify right side
    2,086,204,099.53x = 2,150,598,278,389,586,432
  5. Step 5: Solve for x
    x = 2,150,598,278,389,586,432/2,086,204,099.53
  6. Step 6: Final answer
    x = 1,030,866,672.57

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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.