Home / 83,691,885,723.54-115,491,475,636.65-49,408,635,522.66

Finding the Fourth Proportional to 83,691,885,723.54, 115,491,475,636.65 and 49,408,635,522.66

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Solution

The fourth proportional to 83,691,885,723.54, 115,491,475,636.65 and 49,408,635,522.66 is: 68,181,953,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,691,885,723.54 : 115,491,475,636.65 = 49,408,635,522.66 : x
  2. Step 2: Convert to fraction form
    83,691,885,723.54/115,491,475,636.65 = 49,408,635,522.66/x
  3. Step 3: Cross multiply
    83,691,885,723.54x = 115,491,475,636.65 × 49,408,635,522.66
  4. Step 4: Simplify right side
    83,691,885,723.54x = 5,706,276,225,705,407,676,416
  5. Step 5: Solve for x
    x = 5,706,276,225,705,407,676,416/83,691,885,723.54
  6. Step 6: Final answer
    x = 68,181,953,081.51

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1.5x scale

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.