Home / 471,198,729.59-650,324,939.97-357,981,915.13

Finding the Fourth Proportional to 471,198,729.59, 650,324,939.97 and 357,981,915.13

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Solution

The fourth proportional to 471,198,729.59, 650,324,939.97 and 357,981,915.13 is: 494,068,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,198,729.59 : 650,324,939.97 = 357,981,915.13 : x
  2. Step 2: Convert to fraction form
    471,198,729.59/650,324,939.97 = 357,981,915.13/x
  3. Step 3: Cross multiply
    471,198,729.59x = 650,324,939.97 × 357,981,915.13
  4. Step 4: Simplify right side
    471,198,729.59x = 232,804,567,462,221,376
  5. Step 5: Solve for x
    x = 232,804,567,462,221,376/471,198,729.59
  6. Step 6: Final answer
    x = 494,068,750.28

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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.