Home / 20,691,360,408.60-31,037,040,612.90-5,969,862,091.80

Finding the Fourth Proportional to 20,691,360,408.60, 31,037,040,612.90 and 5,969,862,091.80

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Solution

The fourth proportional to 20,691,360,408.60, 31,037,040,612.90 and 5,969,862,091.80 is: 8,954,793,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,360,408.60 : 31,037,040,612.90 = 5,969,862,091.80 : x
  2. Step 2: Convert to fraction form
    20,691,360,408.60/31,037,040,612.90 = 5,969,862,091.80/x
  3. Step 3: Cross multiply
    20,691,360,408.60x = 31,037,040,612.90 × 5,969,862,091.80
  4. Step 4: Simplify right side
    20,691,360,408.60x = 185,286,852,196,608,770,048
  5. Step 5: Solve for x
    x = 185,286,852,196,608,770,048/20,691,360,408.60
  6. Step 6: Final answer
    x = 8,954,793,137.70

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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.