Home / 1,027,640,665.44-1,418,145,522.66-557,741,993.64

Finding the Fourth Proportional to 1,027,640,665.44, 1,418,145,522.66 and 557,741,993.64

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Solution

The fourth proportional to 1,027,640,665.44, 1,418,145,522.66 and 557,741,993.64 is: 769,684,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,640,665.44 : 1,418,145,522.66 = 557,741,993.64 : x
  2. Step 2: Convert to fraction form
    1,027,640,665.44/1,418,145,522.66 = 557,741,993.64/x
  3. Step 3: Cross multiply
    1,027,640,665.44x = 1,418,145,522.66 × 557,741,993.64
  4. Step 4: Simplify right side
    1,027,640,665.44x = 790,959,311,080,028,160
  5. Step 5: Solve for x
    x = 790,959,311,080,028,160/1,027,640,665.44
  6. Step 6: Final answer
    x = 769,684,713.42

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Double scale
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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.