Home / 18,917,654,691,755-28,376,528,538,720-5,334,630,360,135

Finding the Fourth Proportional to 18,917,654,691,755, 28,376,528,538,720 and 5,334,630,360,135

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Solution

The fourth proportional to 18,917,654,691,755, 28,376,528,538,720 and 5,334,630,360,135 is: 8,001,958,653,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,654,691,755 : 28,376,528,538,720 = 5,334,630,360,135 : x
  2. Step 2: Convert to fraction form
    18,917,654,691,755/28,376,528,538,720 = 5,334,630,360,135/x
  3. Step 3: Cross multiply
    18,917,654,691,755x = 28,376,528,538,720 × 5,334,630,360,135
  4. Step 4: Simplify right side
    18,917,654,691,755x = 151,378,290,657,892,987,320,664,064
  5. Step 5: Solve for x
    x = 151,378,290,657,892,987,320,664,064/18,917,654,691,755
  6. Step 6: Final answer
    x = 8,001,958,653,144.73

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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.