Home / 18,193,791,458.35-27,291,243,161.87-6,241,876,159.69

Finding the Fourth Proportional to 18,193,791,458.35, 27,291,243,161.87 and 6,241,876,159.69

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Solution

The fourth proportional to 18,193,791,458.35, 27,291,243,161.87 and 6,241,876,159.69 is: 9,363,004,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,791,458.35 : 27,291,243,161.87 = 6,241,876,159.69 : x
  2. Step 2: Convert to fraction form
    18,193,791,458.35/27,291,243,161.87 = 6,241,876,159.69/x
  3. Step 3: Cross multiply
    18,193,791,458.35x = 27,291,243,161.87 × 6,241,876,159.69
  4. Step 4: Simplify right side
    18,193,791,458.35x = 170,348,560,060,379,070,464
  5. Step 5: Solve for x
    x = 170,348,560,060,379,070,464/18,193,791,458.35
  6. Step 6: Final answer
    x = 9,363,004,981.69

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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.