Home / 11,508,801,028.50-15,881,976,395.82-6,428,239,107.09

Finding the Fourth Proportional to 11,508,801,028.50, 15,881,976,395.82 and 6,428,239,107.09

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Solution

The fourth proportional to 11,508,801,028.50, 15,881,976,395.82 and 6,428,239,107.09 is: 8,870,875,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508,801,028.50 : 15,881,976,395.82 = 6,428,239,107.09 : x
  2. Step 2: Convert to fraction form
    11,508,801,028.50/15,881,976,395.82 = 6,428,239,107.09/x
  3. Step 3: Cross multiply
    11,508,801,028.50x = 15,881,976,395.82 × 6,428,239,107.09
  4. Step 4: Simplify right side
    11,508,801,028.50x = 102,093,141,765,490,409,472
  5. Step 5: Solve for x
    x = 102,093,141,765,490,409,472/11,508,801,028.50
  6. Step 6: Final answer
    x = 8,870,875,559.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.