Home / 12,811,383,293,276-17,679,408,227,328-7,538,173,455,876.50

Finding the Fourth Proportional to 12,811,383,293,276, 17,679,408,227,328 and 7,538,173,455,876.50

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Solution

The fourth proportional to 12,811,383,293,276, 17,679,408,227,328 and 7,538,173,455,876.50 is: 10,402,502,428,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,383,293,276 : 17,679,408,227,328 = 7,538,173,455,876.50 : x
  2. Step 2: Convert to fraction form
    12,811,383,293,276/17,679,408,227,328 = 7,538,173,455,876.50/x
  3. Step 3: Cross multiply
    12,811,383,293,276x = 17,679,408,227,328 × 7,538,173,455,876.50
  4. Step 4: Simplify right side
    12,811,383,293,276x = 133,270,445,814,848,533,708,144,640
  5. Step 5: Solve for x
    x = 133,270,445,814,848,533,708,144,640/12,811,383,293,276
  6. Step 6: Final answer
    x = 10,402,502,428,039.52

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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.