Home / 252,364,007.20-378,546,010.80-217,726,592.80

Finding the Fourth Proportional to 252,364,007.20, 378,546,010.80 and 217,726,592.80

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Solution

The fourth proportional to 252,364,007.20, 378,546,010.80 and 217,726,592.80 is: 326,589,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,364,007.20 : 378,546,010.80 = 217,726,592.80 : x
  2. Step 2: Convert to fraction form
    252,364,007.20/378,546,010.80 = 217,726,592.80/x
  3. Step 3: Cross multiply
    252,364,007.20x = 378,546,010.80 × 217,726,592.80
  4. Step 4: Simplify right side
    252,364,007.20x = 82,419,533,149,516,016
  5. Step 5: Solve for x
    x = 82,419,533,149,516,016/252,364,007.20
  6. Step 6: Final answer
    x = 326,589,889.20

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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.