Home / 1,234,876,785.79-1,704,132,939.41-677,995,729.15

Finding the Fourth Proportional to 1,234,876,785.79, 1,704,132,939.41 and 677,995,729.15

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Solution

The fourth proportional to 1,234,876,785.79, 1,704,132,939.41 and 677,995,729.15 is: 935,635,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,876,785.79 : 1,704,132,939.41 = 677,995,729.15 : x
  2. Step 2: Convert to fraction form
    1,234,876,785.79/1,704,132,939.41 = 677,995,729.15/x
  3. Step 3: Cross multiply
    1,234,876,785.79x = 1,704,132,939.41 × 677,995,729.15
  4. Step 4: Simplify right side
    1,234,876,785.79x = 1,155,394,854,823,815,680
  5. Step 5: Solve for x
    x = 1,155,394,854,823,815,680/1,234,876,785.79
  6. Step 6: Final answer
    x = 935,635,739.63

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Double scale
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1.5x scale

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.