Home / 3,988,062,891.42-5,976,747,144-3,103,816,025.85

Finding the Fourth Proportional to 3,988,062,891.42, 5,976,747,144 and 3,103,816,025.85

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Solution

The fourth proportional to 3,988,062,891.42, 5,976,747,144 and 3,103,816,025.85 is: 4,651,562,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,062,891.42 : 5,976,747,144 = 3,103,816,025.85 : x
  2. Step 2: Convert to fraction form
    3,988,062,891.42/5,976,747,144 = 3,103,816,025.85/x
  3. Step 3: Cross multiply
    3,988,062,891.42x = 5,976,747,144 × 3,103,816,025.85
  4. Step 4: Simplify right side
    3,988,062,891.42x = 18,550,723,568,000,417,792
  5. Step 5: Solve for x
    x = 18,550,723,568,000,417,792/3,988,062,891.42
  6. Step 6: Final answer
    x = 4,651,562,443.49

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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.