Home / 285,785,419,380.64-428,689,959,471.36-84,327,150,697.44

Finding the Fourth Proportional to 285,785,419,380.64, 428,689,959,471.36 and 84,327,150,697.44

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Solution

The fourth proportional to 285,785,419,380.64, 428,689,959,471.36 and 84,327,150,697.44 is: 126,494,216,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,785,419,380.64 : 428,689,959,471.36 = 84,327,150,697.44 : x
  2. Step 2: Convert to fraction form
    285,785,419,380.64/428,689,959,471.36 = 84,327,150,697.44/x
  3. Step 3: Cross multiply
    285,785,419,380.64x = 428,689,959,471.36 × 84,327,150,697.44
  4. Step 4: Simplify right side
    285,785,419,380.64x = 36,150,202,814,820,819,927,040
  5. Step 5: Solve for x
    x = 36,150,202,814,820,819,927,040/285,785,419,380.64
  6. Step 6: Final answer
    x = 126,494,216,860.91

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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.