Home / 39,505,959,797.94-54,518,278,508.37-21,441,476,287.80

Finding the Fourth Proportional to 39,505,959,797.94, 54,518,278,508.37 and 21,441,476,287.80

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Solution

The fourth proportional to 39,505,959,797.94, 54,518,278,508.37 and 21,441,476,287.80 is: 29,589,266,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,505,959,797.94 : 54,518,278,508.37 = 21,441,476,287.80 : x
  2. Step 2: Convert to fraction form
    39,505,959,797.94/54,518,278,508.37 = 21,441,476,287.80/x
  3. Step 3: Cross multiply
    39,505,959,797.94x = 54,518,278,508.37 × 21,441,476,287.80
  4. Step 4: Simplify right side
    39,505,959,797.94x = 1,168,952,375,888,891,740,160
  5. Step 5: Solve for x
    x = 1,168,952,375,888,891,740,160/39,505,959,797.94
  6. Step 6: Final answer
    x = 29,589,266,578.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.