Home / 424,139,452.90-636,209,179.35-220,066,108.90

Finding the Fourth Proportional to 424,139,452.90, 636,209,179.35 and 220,066,108.90

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Solution

The fourth proportional to 424,139,452.90, 636,209,179.35 and 220,066,108.90 is: 330,099,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,139,452.90 : 636,209,179.35 = 220,066,108.90 : x
  2. Step 2: Convert to fraction form
    424,139,452.90/636,209,179.35 = 220,066,108.90/x
  3. Step 3: Cross multiply
    424,139,452.90x = 636,209,179.35 × 220,066,108.90
  4. Step 4: Simplify right side
    424,139,452.90x = 140,008,078,546,016,736
  5. Step 5: Solve for x
    x = 140,008,078,546,016,736/424,139,452.90
  6. Step 6: Final answer
    x = 330,099,163.35

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Double scale
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Similar ratio
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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.