Home / 13,665,969,917.60-20,498,954,876.40-3,851,317,529.60

Finding the Fourth Proportional to 13,665,969,917.60, 20,498,954,876.40 and 3,851,317,529.60

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Solution

The fourth proportional to 13,665,969,917.60, 20,498,954,876.40 and 3,851,317,529.60 is: 5,776,976,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,969,917.60 : 20,498,954,876.40 = 3,851,317,529.60 : x
  2. Step 2: Convert to fraction form
    13,665,969,917.60/20,498,954,876.40 = 3,851,317,529.60/x
  3. Step 3: Cross multiply
    13,665,969,917.60x = 20,498,954,876.40 × 3,851,317,529.60
  4. Step 4: Simplify right side
    13,665,969,917.60x = 78,947,984,253,958,717,440
  5. Step 5: Solve for x
    x = 78,947,984,253,958,717,440/13,665,969,917.60
  6. Step 6: Final answer
    x = 5,776,976,294.40

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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.