Home / 3,931,662,489.05-5,425,661,990.76-2,147,517,079.85

Finding the Fourth Proportional to 3,931,662,489.05, 5,425,661,990.76 and 2,147,517,079.85

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Solution

The fourth proportional to 3,931,662,489.05, 5,425,661,990.76 and 2,147,517,079.85 is: 2,963,555,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,662,489.05 : 5,425,661,990.76 = 2,147,517,079.85 : x
  2. Step 2: Convert to fraction form
    3,931,662,489.05/5,425,661,990.76 = 2,147,517,079.85/x
  3. Step 3: Cross multiply
    3,931,662,489.05x = 5,425,661,990.76 × 2,147,517,079.85
  4. Step 4: Simplify right side
    3,931,662,489.05x = 11,651,701,794,650,052,608
  5. Step 5: Solve for x
    x = 11,651,701,794,650,052,608/3,931,662,489.05
  6. Step 6: Final answer
    x = 2,963,555,958.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.