Home / 12,811,383,293,275-17,679,408,227,327-7,538,173,455,876.20

Finding the Fourth Proportional to 12,811,383,293,275, 17,679,408,227,327 and 7,538,173,455,876.20

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Solution

The fourth proportional to 12,811,383,293,275, 17,679,408,227,327 and 7,538,173,455,876.20 is: 10,402,502,428,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,383,293,275 : 17,679,408,227,327 = 7,538,173,455,876.20 : x
  2. Step 2: Convert to fraction form
    12,811,383,293,275/17,679,408,227,327 = 7,538,173,455,876.20/x
  3. Step 3: Cross multiply
    12,811,383,293,275x = 17,679,408,227,327 × 7,538,173,455,876.20
  4. Step 4: Simplify right side
    12,811,383,293,275x = 133,270,445,814,835,700,345,864,192
  5. Step 5: Solve for x
    x = 133,270,445,814,835,700,345,864,192/12,811,383,293,275
  6. Step 6: Final answer
    x = 10,402,502,428,039.33

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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.