Home / 56,279,680,656.85-84,422,236,066.94-18,505,419,696.91

Finding the Fourth Proportional to 56,279,680,656.85, 84,422,236,066.94 and 18,505,419,696.91

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Solution

The fourth proportional to 56,279,680,656.85, 84,422,236,066.94 and 18,505,419,696.91 is: 27,759,022,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279,680,656.85 : 84,422,236,066.94 = 18,505,419,696.91 : x
  2. Step 2: Convert to fraction form
    56,279,680,656.85/84,422,236,066.94 = 18,505,419,696.91/x
  3. Step 3: Cross multiply
    56,279,680,656.85x = 84,422,236,066.94 × 18,505,419,696.91
  4. Step 4: Simplify right side
    56,279,680,656.85x = 1,562,268,910,170,337,443,840
  5. Step 5: Solve for x
    x = 1,562,268,910,170,337,443,840/56,279,680,656.85
  6. Step 6: Final answer
    x = 27,759,022,296.09

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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.