Home / 13,981,396,758.74-19,298,925,583.18-11,128,771,601.54

Finding the Fourth Proportional to 13,981,396,758.74, 19,298,925,583.18 and 11,128,771,601.54

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Solution

The fourth proportional to 13,981,396,758.74, 19,298,925,583.18 and 11,128,771,601.54 is: 15,361,364,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,396,758.74 : 19,298,925,583.18 = 11,128,771,601.54 : x
  2. Step 2: Convert to fraction form
    13,981,396,758.74/19,298,925,583.18 = 11,128,771,601.54/x
  3. Step 3: Cross multiply
    13,981,396,758.74x = 19,298,925,583.18 × 11,128,771,601.54
  4. Step 4: Simplify right side
    13,981,396,758.74x = 214,773,334,970,327,400,448
  5. Step 5: Solve for x
    x = 214,773,334,970,327,400,448/13,981,396,758.74
  6. Step 6: Final answer
    x = 15,361,364,724.60

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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.