Home / 1,915,741,172.70-2,873,611,759.05-1,399,180,520.70

Finding the Fourth Proportional to 1,915,741,172.70, 2,873,611,759.05 and 1,399,180,520.70

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Solution

The fourth proportional to 1,915,741,172.70, 2,873,611,759.05 and 1,399,180,520.70 is: 2,098,770,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,741,172.70 : 2,873,611,759.05 = 1,399,180,520.70 : x
  2. Step 2: Convert to fraction form
    1,915,741,172.70/2,873,611,759.05 = 1,399,180,520.70/x
  3. Step 3: Cross multiply
    1,915,741,172.70x = 2,873,611,759.05 × 1,399,180,520.70
  4. Step 4: Simplify right side
    1,915,741,172.70x = 4,020,701,597,317,222,400
  5. Step 5: Solve for x
    x = 4,020,701,597,317,222,400/1,915,741,172.70
  6. Step 6: Final answer
    x = 2,098,770,781.05

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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.