Home / 56,279,680,655.79-84,422,236,065.35-18,505,419,695.85

Finding the Fourth Proportional to 56,279,680,655.79, 84,422,236,065.35 and 18,505,419,695.85

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Solution

The fourth proportional to 56,279,680,655.79, 84,422,236,065.35 and 18,505,419,695.85 is: 27,759,022,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279,680,655.79 : 84,422,236,065.35 = 18,505,419,695.85 : x
  2. Step 2: Convert to fraction form
    56,279,680,655.79/84,422,236,065.35 = 18,505,419,695.85/x
  3. Step 3: Cross multiply
    56,279,680,655.79x = 84,422,236,065.35 × 18,505,419,695.85
  4. Step 4: Simplify right side
    56,279,680,655.79x = 1,562,268,910,051,426,041,856
  5. Step 5: Solve for x
    x = 1,562,268,910,051,426,041,856/56,279,680,655.79
  6. Step 6: Final answer
    x = 27,759,022,294.50

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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.