Home / 426,568,076.97-639,876,030.17-119,836,275.27

Finding the Fourth Proportional to 426,568,076.97, 639,876,030.17 and 119,836,275.27

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Solution

The fourth proportional to 426,568,076.97, 639,876,030.17 and 119,836,275.27 is: 179,761,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,568,076.97 : 639,876,030.17 = 119,836,275.27 : x
  2. Step 2: Convert to fraction form
    426,568,076.97/639,876,030.17 = 119,836,275.27/x
  3. Step 3: Cross multiply
    426,568,076.97x = 639,876,030.17 × 119,836,275.27
  4. Step 4: Simplify right side
    426,568,076.97x = 76,680,360,089,527,760
  5. Step 5: Solve for x
    x = 76,680,360,089,527,760/426,568,076.97
  6. Step 6: Final answer
    x = 179,761,131.29

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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.