Home / 677,318,301.38-934,489,780.26-394,860,807.38

Finding the Fourth Proportional to 677,318,301.38, 934,489,780.26 and 394,860,807.38

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Solution

The fourth proportional to 677,318,301.38, 934,489,780.26 and 394,860,807.38 is: 544,785,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,318,301.38 : 934,489,780.26 = 394,860,807.38 : x
  2. Step 2: Convert to fraction form
    677,318,301.38/934,489,780.26 = 394,860,807.38/x
  3. Step 3: Cross multiply
    677,318,301.38x = 934,489,780.26 × 394,860,807.38
  4. Step 4: Simplify right side
    677,318,301.38x = 368,993,389,121,822,400
  5. Step 5: Solve for x
    x = 368,993,389,121,822,400/677,318,301.38
  6. Step 6: Final answer
    x = 544,785,794.76

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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.