Home / 479,690,144.26-661,960,203.50-267,998,564.97

Finding the Fourth Proportional to 479,690,144.26, 661,960,203.50 and 267,998,564.97

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Solution

The fourth proportional to 479,690,144.26, 661,960,203.50 and 267,998,564.97 is: 369,831,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,690,144.26 : 661,960,203.50 = 267,998,564.97 : x
  2. Step 2: Convert to fraction form
    479,690,144.26/661,960,203.50 = 267,998,564.97/x
  3. Step 3: Cross multiply
    479,690,144.26x = 661,960,203.50 × 267,998,564.97
  4. Step 4: Simplify right side
    479,690,144.26x = 177,404,384,605,919,168
  5. Step 5: Solve for x
    x = 177,404,384,605,919,168/479,690,144.26
  6. Step 6: Final answer
    x = 369,831,206.10

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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.