Home / 12,191,902,325.19-18,288,552,359.90-3,227,858,659.82

Finding the Fourth Proportional to 12,191,902,325.19, 18,288,552,359.90 and 3,227,858,659.82

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Solution

The fourth proportional to 12,191,902,325.19, 18,288,552,359.90 and 3,227,858,659.82 is: 4,841,973,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,902,325.19 : 18,288,552,359.90 = 3,227,858,659.82 : x
  2. Step 2: Convert to fraction form
    12,191,902,325.19/18,288,552,359.90 = 3,227,858,659.82/x
  3. Step 3: Cross multiply
    12,191,902,325.19x = 18,288,552,359.90 × 3,227,858,659.82
  4. Step 4: Simplify right side
    12,191,902,325.19x = 59,032,862,110,530,117,632
  5. Step 5: Solve for x
    x = 59,032,862,110,530,117,632/12,191,902,325.19
  6. Step 6: Final answer
    x = 4,841,973,019.14

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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.