Home / 39,505,959,759.31-54,518,278,455.44-21,441,476,249.04

Finding the Fourth Proportional to 39,505,959,759.31, 54,518,278,455.44 and 21,441,476,249.04

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Solution

The fourth proportional to 39,505,959,759.31, 54,518,278,455.44 and 21,441,476,249.04 is: 29,589,266,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,505,959,759.31 : 54,518,278,455.44 = 21,441,476,249.04 : x
  2. Step 2: Convert to fraction form
    39,505,959,759.31/54,518,278,455.44 = 21,441,476,249.04/x
  3. Step 3: Cross multiply
    39,505,959,759.31x = 54,518,278,455.44 × 21,441,476,249.04
  4. Step 4: Simplify right side
    39,505,959,759.31x = 1,168,952,372,640,485,998,592
  5. Step 5: Solve for x
    x = 1,168,952,372,640,485,998,592/39,505,959,759.31
  6. Step 6: Final answer
    x = 29,589,266,524.91

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1.5x scale

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.