Home / 250,964,512,049.25-376,446,538,067.90-78,666,252,581.07

Finding the Fourth Proportional to 250,964,512,049.25, 376,446,538,067.90 and 78,666,252,581.07

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Solution

The fourth proportional to 250,964,512,049.25, 376,446,538,067.90 and 78,666,252,581.07 is: 117,999,306,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,964,512,049.25 : 376,446,538,067.90 = 78,666,252,581.07 : x
  2. Step 2: Convert to fraction form
    250,964,512,049.25/376,446,538,067.90 = 78,666,252,581.07/x
  3. Step 3: Cross multiply
    250,964,512,049.25x = 376,446,538,067.90 × 78,666,252,581.07
  4. Step 4: Simplify right side
    250,964,512,049.25x = 29,613,638,446,918,810,992,640
  5. Step 5: Solve for x
    x = 29,613,638,446,918,810,992,640/250,964,512,049.25
  6. Step 6: Final answer
    x = 117,999,306,774.93

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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.