Home / 279,957,489.20-419,936,233.80-222,136,708.40

Finding the Fourth Proportional to 279,957,489.20, 419,936,233.80 and 222,136,708.40

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Solution

The fourth proportional to 279,957,489.20, 419,936,233.80 and 222,136,708.40 is: 333,205,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,957,489.20 : 419,936,233.80 = 222,136,708.40 : x
  2. Step 2: Convert to fraction form
    279,957,489.20/419,936,233.80 = 222,136,708.40/x
  3. Step 3: Cross multiply
    279,957,489.20x = 419,936,233.80 × 222,136,708.40
  4. Step 4: Simplify right side
    279,957,489.20x = 93,283,252,714,224,832
  5. Step 5: Solve for x
    x = 93,283,252,714,224,832/279,957,489.20
  6. Step 6: Final answer
    x = 333,205,062.60

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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.