Home / 38,433,851,074.90-57,659,469,661.95-20,747,149,155.82

Finding the Fourth Proportional to 38,433,851,074.90, 57,659,469,661.95 and 20,747,149,155.82

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Solution

The fourth proportional to 38,433,851,074.90, 57,659,469,661.95 and 20,747,149,155.82 is: 31,125,416,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,433,851,074.90 : 57,659,469,661.95 = 20,747,149,155.82 : x
  2. Step 2: Convert to fraction form
    38,433,851,074.90/57,659,469,661.95 = 20,747,149,155.82/x
  3. Step 3: Cross multiply
    38,433,851,074.90x = 57,659,469,661.95 × 20,747,149,155.82
  4. Step 4: Simplify right side
    38,433,851,074.90x = 1,196,269,617,321,954,770,944
  5. Step 5: Solve for x
    x = 1,196,269,617,321,954,770,944/38,433,851,074.90
  6. Step 6: Final answer
    x = 31,125,416,367.74

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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.