Home / 3,993,707,346.30-5,978,904,484.14-2,330,517,990.78

Finding the Fourth Proportional to 3,993,707,346.30, 5,978,904,484.14 and 2,330,517,990.78

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Solution

The fourth proportional to 3,993,707,346.30, 5,978,904,484.14 and 2,330,517,990.78 is: 3,488,974,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,707,346.30 : 5,978,904,484.14 = 2,330,517,990.78 : x
  2. Step 2: Convert to fraction form
    3,993,707,346.30/5,978,904,484.14 = 2,330,517,990.78/x
  3. Step 3: Cross multiply
    3,993,707,346.30x = 5,978,904,484.14 × 2,330,517,990.78
  4. Step 4: Simplify right side
    3,993,707,346.30x = 13,933,944,465,443,487,744
  5. Step 5: Solve for x
    x = 13,933,944,465,443,487,744/3,993,707,346.30
  6. Step 6: Final answer
    x = 3,488,974,843.98

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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.