Home / 3,987,638,907.80-5,981,458,361.70-2,681,569,506.20

Finding the Fourth Proportional to 3,987,638,907.80, 5,981,458,361.70 and 2,681,569,506.20

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Solution

The fourth proportional to 3,987,638,907.80, 5,981,458,361.70 and 2,681,569,506.20 is: 4,022,354,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,638,907.80 : 5,981,458,361.70 = 2,681,569,506.20 : x
  2. Step 2: Convert to fraction form
    3,987,638,907.80/5,981,458,361.70 = 2,681,569,506.20/x
  3. Step 3: Cross multiply
    3,987,638,907.80x = 5,981,458,361.70 × 2,681,569,506.20
  4. Step 4: Simplify right side
    3,987,638,907.80x = 16,039,696,345,339,727,872
  5. Step 5: Solve for x
    x = 16,039,696,345,339,727,872/3,987,638,907.80
  6. Step 6: Final answer
    x = 4,022,354,259.30

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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.