Home / 408,982,416.80-613,473,625.20-132,633,096.80

Finding the Fourth Proportional to 408,982,416.80, 613,473,625.20 and 132,633,096.80

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Solution

The fourth proportional to 408,982,416.80, 613,473,625.20 and 132,633,096.80 is: 198,949,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,982,416.80 : 613,473,625.20 = 132,633,096.80 : x
  2. Step 2: Convert to fraction form
    408,982,416.80/613,473,625.20 = 132,633,096.80/x
  3. Step 3: Cross multiply
    408,982,416.80x = 613,473,625.20 × 132,633,096.80
  4. Step 4: Simplify right side
    408,982,416.80x = 81,366,906,715,398,528
  5. Step 5: Solve for x
    x = 81,366,906,715,398,528/408,982,416.80
  6. Step 6: Final answer
    x = 198,949,645.20

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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.