Home / 7,558,287,578.20-11,337,431,367.30-5,191,036,787.80

Finding the Fourth Proportional to 7,558,287,578.20, 11,337,431,367.30 and 5,191,036,787.80

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Solution

The fourth proportional to 7,558,287,578.20, 11,337,431,367.30 and 5,191,036,787.80 is: 7,786,555,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558,287,578.20 : 11,337,431,367.30 = 5,191,036,787.80 : x
  2. Step 2: Convert to fraction form
    7,558,287,578.20/11,337,431,367.30 = 5,191,036,787.80/x
  3. Step 3: Cross multiply
    7,558,287,578.20x = 11,337,431,367.30 × 5,191,036,787.80
  4. Step 4: Simplify right side
    7,558,287,578.20x = 58,853,023,306,811,949,056
  5. Step 5: Solve for x
    x = 58,853,023,306,811,949,056/7,558,287,578.20
  6. Step 6: Final answer
    x = 7,786,555,181.70

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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.