Home / 56,279,680,653.60-84,422,236,062.06-18,505,419,693.66

Finding the Fourth Proportional to 56,279,680,653.60, 84,422,236,062.06 and 18,505,419,693.66

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Solution

The fourth proportional to 56,279,680,653.60, 84,422,236,062.06 and 18,505,419,693.66 is: 27,759,022,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279,680,653.60 : 84,422,236,062.06 = 18,505,419,693.66 : x
  2. Step 2: Convert to fraction form
    56,279,680,653.60/84,422,236,062.06 = 18,505,419,693.66/x
  3. Step 3: Cross multiply
    56,279,680,653.60x = 84,422,236,062.06 × 18,505,419,693.66
  4. Step 4: Simplify right side
    56,279,680,653.60x = 1,562,268,909,805,658,439,680
  5. Step 5: Solve for x
    x = 1,562,268,909,805,658,439,680/56,279,680,653.60
  6. Step 6: Final answer
    x = 27,759,022,291.21

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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.