Home / 327,890,909.70-492,025,321.35-123,565,623.30

Finding the Fourth Proportional to 327,890,909.70, 492,025,321.35 and 123,565,623.30

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Solution

The fourth proportional to 327,890,909.70, 492,025,321.35 and 123,565,623.30 is: 185,419,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,890,909.70 : 492,025,321.35 = 123,565,623.30 : x
  2. Step 2: Convert to fraction form
    327,890,909.70/492,025,321.35 = 123,565,623.30/x
  3. Step 3: Cross multiply
    327,890,909.70x = 492,025,321.35 × 123,565,623.30
  4. Step 4: Simplify right side
    327,890,909.70x = 60,797,415,511,995,552
  5. Step 5: Solve for x
    x = 60,797,415,511,995,552/327,890,909.70
  6. Step 6: Final answer
    x = 185,419,643.28

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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.