Home / 1,957,192,882.31-2,701,495,318.79-1,279,111,839.39

Finding the Fourth Proportional to 1,957,192,882.31, 2,701,495,318.79 and 1,279,111,839.39

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Solution

The fourth proportional to 1,957,192,882.31, 2,701,495,318.79 and 1,279,111,839.39 is: 1,765,546,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,192,882.31 : 2,701,495,318.79 = 1,279,111,839.39 : x
  2. Step 2: Convert to fraction form
    1,957,192,882.31/2,701,495,318.79 = 1,279,111,839.39/x
  3. Step 3: Cross multiply
    1,957,192,882.31x = 2,701,495,318.79 × 1,279,111,839.39
  4. Step 4: Simplify right side
    1,957,192,882.31x = 3,455,514,646,324,149,248
  5. Step 5: Solve for x
    x = 3,455,514,646,324,149,248/1,957,192,882.31
  6. Step 6: Final answer
    x = 1,765,546,297.23

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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.