Home / 517,948,822.80-776,923,234.20-354,690,147.60

Finding the Fourth Proportional to 517,948,822.80, 776,923,234.20 and 354,690,147.60

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Solution

The fourth proportional to 517,948,822.80, 776,923,234.20 and 354,690,147.60 is: 532,035,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,948,822.80 : 776,923,234.20 = 354,690,147.60 : x
  2. Step 2: Convert to fraction form
    517,948,822.80/776,923,234.20 = 354,690,147.60/x
  3. Step 3: Cross multiply
    517,948,822.80x = 776,923,234.20 × 354,690,147.60
  4. Step 4: Simplify right side
    517,948,822.80x = 275,567,016,612,267,392
  5. Step 5: Solve for x
    x = 275,567,016,612,267,392/517,948,822.80
  6. Step 6: Final answer
    x = 532,035,221.40

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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.