Home / 2,447,991,512.28-3,672,707,703-789,867,691.32

Finding the Fourth Proportional to 2,447,991,512.28, 3,672,707,703 and 789,867,691.32

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Solution

The fourth proportional to 2,447,991,512.28, 3,672,707,703 and 789,867,691.32 is: 1,185,033,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447,991,512.28 : 3,672,707,703 = 789,867,691.32 : x
  2. Step 2: Convert to fraction form
    2,447,991,512.28/3,672,707,703 = 789,867,691.32/x
  3. Step 3: Cross multiply
    2,447,991,512.28x = 3,672,707,703 × 789,867,691.32
  4. Step 4: Simplify right side
    2,447,991,512.28x = 2,900,953,154,261,790,208
  5. Step 5: Solve for x
    x = 2,900,953,154,261,790,208/2,447,991,512.28
  6. Step 6: Final answer
    x = 1,185,033,992.03

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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.