Home / 437,025,609.60-655,433,438.40-252,393,820.80

Finding the Fourth Proportional to 437,025,609.60, 655,433,438.40 and 252,393,820.80

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Solution

The fourth proportional to 437,025,609.60, 655,433,438.40 and 252,393,820.80 is: 378,530,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,025,609.60 : 655,433,438.40 = 252,393,820.80 : x
  2. Step 2: Convert to fraction form
    437,025,609.60/655,433,438.40 = 252,393,820.80/x
  3. Step 3: Cross multiply
    437,025,609.60x = 655,433,438.40 × 252,393,820.80
  4. Step 4: Simplify right side
    437,025,609.60x = 165,427,349,797,857,440
  5. Step 5: Solve for x
    x = 165,427,349,797,857,440/437,025,609.60
  6. Step 6: Final answer
    x = 378,530,104.79

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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.