Home / 8,857,371,969.80-13,287,971,142.30-2,647,165,020.20

Finding the Fourth Proportional to 8,857,371,969.80, 13,287,971,142.30 and 2,647,165,020.20

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Solution

The fourth proportional to 8,857,371,969.80, 13,287,971,142.30 and 2,647,165,020.20 is: 3,971,319,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,371,969.80 : 13,287,971,142.30 = 2,647,165,020.20 : x
  2. Step 2: Convert to fraction form
    8,857,371,969.80/13,287,971,142.30 = 2,647,165,020.20/x
  3. Step 3: Cross multiply
    8,857,371,969.80x = 13,287,971,142.30 × 2,647,165,020.20
  4. Step 4: Simplify right side
    8,857,371,969.80x = 35,175,452,397,323,591,680
  5. Step 5: Solve for x
    x = 35,175,452,397,323,591,680/8,857,371,969.80
  6. Step 6: Final answer
    x = 3,971,319,316.53

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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.