Home / 13,981,396,757.74-19,298,925,581.80-11,128,771,600.54

Finding the Fourth Proportional to 13,981,396,757.74, 19,298,925,581.80 and 11,128,771,600.54

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Solution

The fourth proportional to 13,981,396,757.74, 19,298,925,581.80 and 11,128,771,600.54 is: 15,361,364,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,396,757.74 : 19,298,925,581.80 = 11,128,771,600.54 : x
  2. Step 2: Convert to fraction form
    13,981,396,757.74/19,298,925,581.80 = 11,128,771,600.54/x
  3. Step 3: Cross multiply
    13,981,396,757.74x = 19,298,925,581.80 × 11,128,771,600.54
  4. Step 4: Simplify right side
    13,981,396,757.74x = 214,773,334,935,615,078,400
  5. Step 5: Solve for x
    x = 214,773,334,935,615,078,400/13,981,396,757.74
  6. Step 6: Final answer
    x = 15,361,364,723.21

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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.