Home / 265,720,964.20-398,581,446.30-162,408,833.80

Finding the Fourth Proportional to 265,720,964.20, 398,581,446.30 and 162,408,833.80

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Solution

The fourth proportional to 265,720,964.20, 398,581,446.30 and 162,408,833.80 is: 243,613,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,964.20 : 398,581,446.30 = 162,408,833.80 : x
  2. Step 2: Convert to fraction form
    265,720,964.20/398,581,446.30 = 162,408,833.80/x
  3. Step 3: Cross multiply
    265,720,964.20x = 398,581,446.30 × 162,408,833.80
  4. Step 4: Simplify right side
    265,720,964.20x = 64,733,147,867,900,328
  5. Step 5: Solve for x
    x = 64,733,147,867,900,328/265,720,964.20
  6. Step 6: Final answer
    x = 243,613,250.70

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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.