Home / 542,642,217.28-748,846,628.58-304,454,520.52

Finding the Fourth Proportional to 542,642,217.28, 748,846,628.58 and 304,454,520.52

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Solution

The fourth proportional to 542,642,217.28, 748,846,628.58 and 304,454,520.52 is: 420,147,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,642,217.28 : 748,846,628.58 = 304,454,520.52 : x
  2. Step 2: Convert to fraction form
    542,642,217.28/748,846,628.58 = 304,454,520.52/x
  3. Step 3: Cross multiply
    542,642,217.28x = 748,846,628.58 × 304,454,520.52
  4. Step 4: Simplify right side
    542,642,217.28x = 227,989,741,247,342,432
  5. Step 5: Solve for x
    x = 227,989,741,247,342,432/542,642,217.28
  6. Step 6: Final answer
    x = 420,147,445.20

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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.