Home / 332,495,998.20-498,743,997.30-138,342,886.20

Finding the Fourth Proportional to 332,495,998.20, 498,743,997.30 and 138,342,886.20

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Solution

The fourth proportional to 332,495,998.20, 498,743,997.30 and 138,342,886.20 is: 207,514,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,495,998.20 : 498,743,997.30 = 138,342,886.20 : x
  2. Step 2: Convert to fraction form
    332,495,998.20/498,743,997.30 = 138,342,886.20/x
  3. Step 3: Cross multiply
    332,495,998.20x = 498,743,997.30 × 138,342,886.20
  4. Step 4: Simplify right side
    332,495,998.20x = 68,997,684,061,407,000
  5. Step 5: Solve for x
    x = 68,997,684,061,407,000/332,495,998.20
  6. Step 6: Final answer
    x = 207,514,329.30

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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.