Home / 7,920,680,926.05-11,881,023,590.66-2,945,752,768.89

Finding the Fourth Proportional to 7,920,680,926.05, 11,881,023,590.66 and 2,945,752,768.89

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Solution

The fourth proportional to 7,920,680,926.05, 11,881,023,590.66 and 2,945,752,768.89 is: 4,418,629,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,680,926.05 : 11,881,023,590.66 = 2,945,752,768.89 : x
  2. Step 2: Convert to fraction form
    7,920,680,926.05/11,881,023,590.66 = 2,945,752,768.89/x
  3. Step 3: Cross multiply
    7,920,680,926.05x = 11,881,023,590.66 × 2,945,752,768.89
  4. Step 4: Simplify right side
    7,920,680,926.05x = 34,998,558,139,419,377,664
  5. Step 5: Solve for x
    x = 34,998,558,139,419,377,664/7,920,680,926.05
  6. Step 6: Final answer
    x = 4,418,629,972.12

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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.