Home / 654,571,756.80-981,750,481.92-266,378,906.88

Finding the Fourth Proportional to 654,571,756.80, 981,750,481.92 and 266,378,906.88

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Solution

The fourth proportional to 654,571,756.80, 981,750,481.92 and 266,378,906.88 is: 399,524,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,571,756.80 : 981,750,481.92 = 266,378,906.88 : x
  2. Step 2: Convert to fraction form
    654,571,756.80/981,750,481.92 = 266,378,906.88/x
  3. Step 3: Cross multiply
    654,571,756.80x = 981,750,481.92 × 266,378,906.88
  4. Step 4: Simplify right side
    654,571,756.80x = 261,517,620,202,762,784
  5. Step 5: Solve for x
    x = 261,517,620,202,762,784/654,571,756.80
  6. Step 6: Final answer
    x = 399,524,754.14

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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.