Home / 19,918,251,298.52-29,877,505,371.15-7,967,502,040.82

Finding the Fourth Proportional to 19,918,251,298.52, 29,877,505,371.15 and 7,967,502,040.82

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Solution

The fourth proportional to 19,918,251,298.52, 29,877,505,371.15 and 7,967,502,040.82 is: 11,951,304,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918,251,298.52 : 29,877,505,371.15 = 7,967,502,040.82 : x
  2. Step 2: Convert to fraction form
    19,918,251,298.52/29,877,505,371.15 = 7,967,502,040.82/x
  3. Step 3: Cross multiply
    19,918,251,298.52x = 29,877,505,371.15 × 7,967,502,040.82
  4. Step 4: Simplify right side
    19,918,251,298.52x = 238,049,085,019,208,286,208
  5. Step 5: Solve for x
    x = 238,049,085,019,208,286,208/19,918,251,298.52
  6. Step 6: Final answer
    x = 11,951,304,431.88

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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.