Home / 416,538,687.29-574,820,203.50-228,364,729.43

Finding the Fourth Proportional to 416,538,687.29, 574,820,203.50 and 228,364,729.43

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Solution

The fourth proportional to 416,538,687.29, 574,820,203.50 and 228,364,729.43 is: 315,141,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,538,687.29 : 574,820,203.50 = 228,364,729.43 : x
  2. Step 2: Convert to fraction form
    416,538,687.29/574,820,203.50 = 228,364,729.43/x
  3. Step 3: Cross multiply
    416,538,687.29x = 574,820,203.50 × 228,364,729.43
  4. Step 4: Simplify right side
    416,538,687.29x = 131,268,660,240,300,944
  5. Step 5: Solve for x
    x = 131,268,660,240,300,944/416,538,687.29
  6. Step 6: Final answer
    x = 315,141,580.48

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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.