Home / 3,320,202,945,760.80-4,980,304,418,640.90-1,980,175,739,719.20

Finding the Fourth Proportional to 3,320,202,945,760.80, 4,980,304,418,640.90 and 1,980,175,739,719.20

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Solution

The fourth proportional to 3,320,202,945,760.80, 4,980,304,418,640.90 and 1,980,175,739,719.20 is: 2,970,263,609,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,202,945,760.80 : 4,980,304,418,640.90 = 1,980,175,739,719.20 : x
  2. Step 2: Convert to fraction form
    3,320,202,945,760.80/4,980,304,418,640.90 = 1,980,175,739,719.20/x
  3. Step 3: Cross multiply
    3,320,202,945,760.80x = 4,980,304,418,640.90 × 1,980,175,739,719.20
  4. Step 4: Simplify right side
    3,320,202,945,760.80x = 9,861,877,986,209,044,661,010,432
  5. Step 5: Solve for x
    x = 9,861,877,986,209,044,661,010,432/3,320,202,945,760.80
  6. Step 6: Final answer
    x = 2,970,263,609,578.62

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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.