Home / 56,279,680,508.06-84,422,235,843.62-18,505,419,548.12

Finding the Fourth Proportional to 56,279,680,508.06, 84,422,235,843.62 and 18,505,419,548.12

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Solution

The fourth proportional to 56,279,680,508.06, 84,422,235,843.62 and 18,505,419,548.12 is: 27,759,022,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279,680,508.06 : 84,422,235,843.62 = 18,505,419,548.12 : x
  2. Step 2: Convert to fraction form
    56,279,680,508.06/84,422,235,843.62 = 18,505,419,548.12/x
  3. Step 3: Cross multiply
    56,279,680,508.06x = 84,422,235,843.62 × 18,505,419,548.12
  4. Step 4: Simplify right side
    56,279,680,508.06x = 1,562,268,893,476,026,318,848
  5. Step 5: Solve for x
    x = 1,562,268,893,476,026,318,848/56,279,680,508.06
  6. Step 6: Final answer
    x = 27,759,022,072.85

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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.