Home / 3,987,639,161.30-5,981,458,741.95-2,681,569,759.70

Finding the Fourth Proportional to 3,987,639,161.30, 5,981,458,741.95 and 2,681,569,759.70

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Solution

The fourth proportional to 3,987,639,161.30, 5,981,458,741.95 and 2,681,569,759.70 is: 4,022,354,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,639,161.30 : 5,981,458,741.95 = 2,681,569,759.70 : x
  2. Step 2: Convert to fraction form
    3,987,639,161.30/5,981,458,741.95 = 2,681,569,759.70/x
  3. Step 3: Cross multiply
    3,987,639,161.30x = 5,981,458,741.95 × 2,681,569,759.70
  4. Step 4: Simplify right side
    3,987,639,161.30x = 16,039,698,881,306,324,992
  5. Step 5: Solve for x
    x = 16,039,698,881,306,324,992/3,987,639,161.30
  6. Step 6: Final answer
    x = 4,022,354,639.55

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1.5x scale

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.