Home / 13,665,969,835.60-20,498,954,753.40-3,851,317,447.60

Finding the Fourth Proportional to 13,665,969,835.60, 20,498,954,753.40 and 3,851,317,447.60

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Solution

The fourth proportional to 13,665,969,835.60, 20,498,954,753.40 and 3,851,317,447.60 is: 5,776,976,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,969,835.60 : 20,498,954,753.40 = 3,851,317,447.60 : x
  2. Step 2: Convert to fraction form
    13,665,969,835.60/20,498,954,753.40 = 3,851,317,447.60/x
  3. Step 3: Cross multiply
    13,665,969,835.60x = 20,498,954,753.40 × 3,851,317,447.60
  4. Step 4: Simplify right side
    13,665,969,835.60x = 78,947,982,099,332,382,720
  5. Step 5: Solve for x
    x = 78,947,982,099,332,382,720/13,665,969,835.60
  6. Step 6: Final answer
    x = 5,776,976,171.40

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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.