Home / 13,981,396,758.99-19,298,925,583.52-11,128,771,601.79

Finding the Fourth Proportional to 13,981,396,758.99, 19,298,925,583.52 and 11,128,771,601.79

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Solution

The fourth proportional to 13,981,396,758.99, 19,298,925,583.52 and 11,128,771,601.79 is: 15,361,364,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,396,758.99 : 19,298,925,583.52 = 11,128,771,601.79 : x
  2. Step 2: Convert to fraction form
    13,981,396,758.99/19,298,925,583.52 = 11,128,771,601.79/x
  3. Step 3: Cross multiply
    13,981,396,758.99x = 19,298,925,583.52 × 11,128,771,601.79
  4. Step 4: Simplify right side
    13,981,396,758.99x = 214,773,334,978,935,914,496
  5. Step 5: Solve for x
    x = 214,773,334,978,935,914,496/13,981,396,758.99
  6. Step 6: Final answer
    x = 15,361,364,724.94

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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.