Home / 1,591,375,801.80-2,180,192,626.55-1,531,731,396.02

Finding the Fourth Proportional to 1,591,375,801.80, 2,180,192,626.55 and 1,531,731,396.02

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Solution

The fourth proportional to 1,591,375,801.80, 2,180,192,626.55 and 1,531,731,396.02 is: 2,098,479,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,375,801.80 : 2,180,192,626.55 = 1,531,731,396.02 : x
  2. Step 2: Convert to fraction form
    1,591,375,801.80/2,180,192,626.55 = 1,531,731,396.02/x
  3. Step 3: Cross multiply
    1,591,375,801.80x = 2,180,192,626.55 × 1,531,731,396.02
  4. Step 4: Simplify right side
    1,591,375,801.80x = 3,339,469,495,450,870,272
  5. Step 5: Solve for x
    x = 3,339,469,495,450,870,272/1,591,375,801.80
  6. Step 6: Final answer
    x = 2,098,479,499.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.