Home / 13,981,396,757.49-19,298,925,581.45-11,128,771,600.29

Finding the Fourth Proportional to 13,981,396,757.49, 19,298,925,581.45 and 11,128,771,600.29

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Solution

The fourth proportional to 13,981,396,757.49, 19,298,925,581.45 and 11,128,771,600.29 is: 15,361,364,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,396,757.49 : 19,298,925,581.45 = 11,128,771,600.29 : x
  2. Step 2: Convert to fraction form
    13,981,396,757.49/19,298,925,581.45 = 11,128,771,600.29/x
  3. Step 3: Cross multiply
    13,981,396,757.49x = 19,298,925,581.45 × 11,128,771,600.29
  4. Step 4: Simplify right side
    13,981,396,757.49x = 214,773,334,926,939,848,704
  5. Step 5: Solve for x
    x = 214,773,334,926,939,848,704/13,981,396,757.49
  6. Step 6: Final answer
    x = 15,361,364,722.87

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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.