Home / 18,917,654,691,761-28,376,528,538,728-5,334,630,360,141.20

Finding the Fourth Proportional to 18,917,654,691,761, 28,376,528,538,728 and 5,334,630,360,141.20

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Solution

The fourth proportional to 18,917,654,691,761, 28,376,528,538,728 and 5,334,630,360,141.20 is: 8,001,958,653,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,654,691,761 : 28,376,528,538,728 = 5,334,630,360,141.20 : x
  2. Step 2: Convert to fraction form
    18,917,654,691,761/28,376,528,538,728 = 5,334,630,360,141.20/x
  3. Step 3: Cross multiply
    18,917,654,691,761x = 28,376,528,538,728 × 5,334,630,360,141.20
  4. Step 4: Simplify right side
    18,917,654,691,761x = 151,378,290,658,111,601,156,030,464
  5. Step 5: Solve for x
    x = 151,378,290,658,111,601,156,030,464/18,917,654,691,761
  6. Step 6: Final answer
    x = 8,001,958,653,153.75

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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.