Home / 252,364,006.20-378,546,009.30-217,726,591.80

Finding the Fourth Proportional to 252,364,006.20, 378,546,009.30 and 217,726,591.80

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Solution

The fourth proportional to 252,364,006.20, 378,546,009.30 and 217,726,591.80 is: 326,589,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,364,006.20 : 378,546,009.30 = 217,726,591.80 : x
  2. Step 2: Convert to fraction form
    252,364,006.20/378,546,009.30 = 217,726,591.80/x
  3. Step 3: Cross multiply
    252,364,006.20x = 378,546,009.30 × 217,726,591.80
  4. Step 4: Simplify right side
    252,364,006.20x = 82,419,532,444,380,112
  5. Step 5: Solve for x
    x = 82,419,532,444,380,112/252,364,006.20
  6. Step 6: Final answer
    x = 326,589,887.70

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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.