Home / 3,143,115,233.80-4,707,870,405.90-1,687,392,046.60

Finding the Fourth Proportional to 3,143,115,233.80, 4,707,870,405.90 and 1,687,392,046.60

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Solution

The fourth proportional to 3,143,115,233.80, 4,707,870,405.90 and 1,687,392,046.60 is: 2,527,436,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,115,233.80 : 4,707,870,405.90 = 1,687,392,046.60 : x
  2. Step 2: Convert to fraction form
    3,143,115,233.80/4,707,870,405.90 = 1,687,392,046.60/x
  3. Step 3: Cross multiply
    3,143,115,233.80x = 4,707,870,405.90 × 1,687,392,046.60
  4. Step 4: Simplify right side
    3,143,115,233.80x = 7,944,023,079,339,172,864
  5. Step 5: Solve for x
    x = 7,944,023,079,339,172,864/3,143,115,233.80
  6. Step 6: Final answer
    x = 2,527,436,154.40

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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.