Home / 13,665,969,807.60-20,498,954,711.40-3,851,317,419.60

Finding the Fourth Proportional to 13,665,969,807.60, 20,498,954,711.40 and 3,851,317,419.60

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Solution

The fourth proportional to 13,665,969,807.60, 20,498,954,711.40 and 3,851,317,419.60 is: 5,776,976,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,969,807.60 : 20,498,954,711.40 = 3,851,317,419.60 : x
  2. Step 2: Convert to fraction form
    13,665,969,807.60/20,498,954,711.40 = 3,851,317,419.60/x
  3. Step 3: Cross multiply
    13,665,969,807.60x = 20,498,954,711.40 × 3,851,317,419.60
  4. Step 4: Simplify right side
    13,665,969,807.60x = 78,947,981,363,606,306,816
  5. Step 5: Solve for x
    x = 78,947,981,363,606,306,816/13,665,969,807.60
  6. Step 6: Final answer
    x = 5,776,976,129.40

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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.