Home / 7,478,010,001.20-11,217,015,001.80-3,115,375,402.80

Finding the Fourth Proportional to 7,478,010,001.20, 11,217,015,001.80 and 3,115,375,402.80

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Solution

The fourth proportional to 7,478,010,001.20, 11,217,015,001.80 and 3,115,375,402.80 is: 4,673,063,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,010,001.20 : 11,217,015,001.80 = 3,115,375,402.80 : x
  2. Step 2: Convert to fraction form
    7,478,010,001.20/11,217,015,001.80 = 3,115,375,402.80/x
  3. Step 3: Cross multiply
    7,478,010,001.20x = 11,217,015,001.80 × 3,115,375,402.80
  4. Step 4: Simplify right side
    7,478,010,001.20x = 34,945,212,629,446,316,032
  5. Step 5: Solve for x
    x = 34,945,212,629,446,316,032/7,478,010,001.20
  6. Step 6: Final answer
    x = 4,673,063,104.20

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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.