Home / 56,279,680,655.85-84,422,236,065.44-18,505,419,695.91

Finding the Fourth Proportional to 56,279,680,655.85, 84,422,236,065.44 and 18,505,419,695.91

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Solution

The fourth proportional to 56,279,680,655.85, 84,422,236,065.44 and 18,505,419,695.91 is: 27,759,022,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279,680,655.85 : 84,422,236,065.44 = 18,505,419,695.91 : x
  2. Step 2: Convert to fraction form
    56,279,680,655.85/84,422,236,065.44 = 18,505,419,695.91/x
  3. Step 3: Cross multiply
    56,279,680,655.85x = 84,422,236,065.44 × 18,505,419,695.91
  4. Step 4: Simplify right side
    56,279,680,655.85x = 1,562,268,910,058,064,314,368
  5. Step 5: Solve for x
    x = 1,562,268,910,058,064,314,368/56,279,680,655.85
  6. Step 6: Final answer
    x = 27,759,022,294.59

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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.