Home / 12,191,902,323.12-18,288,552,356.81-3,227,858,657.75

Finding the Fourth Proportional to 12,191,902,323.12, 18,288,552,356.81 and 3,227,858,657.75

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Solution

The fourth proportional to 12,191,902,323.12, 18,288,552,356.81 and 3,227,858,657.75 is: 4,841,973,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,902,323.12 : 18,288,552,356.81 = 3,227,858,657.75 : x
  2. Step 2: Convert to fraction form
    12,191,902,323.12/18,288,552,356.81 = 3,227,858,657.75/x
  3. Step 3: Cross multiply
    12,191,902,323.12x = 18,288,552,356.81 × 3,227,858,657.75
  4. Step 4: Simplify right side
    12,191,902,323.12x = 59,032,862,062,695,505,920
  5. Step 5: Solve for x
    x = 59,032,862,062,695,505,920/12,191,902,323.12
  6. Step 6: Final answer
    x = 4,841,973,016.04

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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.