Home / 13,100,815,593.20-19,631,226,905.21-7,778,446,927.97

Finding the Fourth Proportional to 13,100,815,593.20, 19,631,226,905.21 and 7,778,446,927.97

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Solution

The fourth proportional to 13,100,815,593.20, 19,631,226,905.21 and 7,778,446,927.97 is: 11,655,797,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,815,593.20 : 19,631,226,905.21 = 7,778,446,927.97 : x
  2. Step 2: Convert to fraction form
    13,100,815,593.20/19,631,226,905.21 = 7,778,446,927.97/x
  3. Step 3: Cross multiply
    13,100,815,593.20x = 19,631,226,905.21 × 7,778,446,927.97
  4. Step 4: Simplify right side
    13,100,815,593.20x = 152,700,456,613,073,846,272
  5. Step 5: Solve for x
    x = 152,700,456,613,073,846,272/13,100,815,593.20
  6. Step 6: Final answer
    x = 11,655,797,727.01

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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.