Home / 13,981,396,756.43-19,298,925,579.98-11,128,771,599.23

Finding the Fourth Proportional to 13,981,396,756.43, 19,298,925,579.98 and 11,128,771,599.23

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Solution

The fourth proportional to 13,981,396,756.43, 19,298,925,579.98 and 11,128,771,599.23 is: 15,361,364,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,396,756.43 : 19,298,925,579.98 = 11,128,771,599.23 : x
  2. Step 2: Convert to fraction form
    13,981,396,756.43/19,298,925,579.98 = 11,128,771,599.23/x
  3. Step 3: Cross multiply
    13,981,396,756.43x = 19,298,925,579.98 × 11,128,771,599.23
  4. Step 4: Simplify right side
    13,981,396,756.43x = 214,773,334,890,134,765,568
  5. Step 5: Solve for x
    x = 214,773,334,890,134,765,568/13,981,396,756.43
  6. Step 6: Final answer
    x = 15,361,364,721.40

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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.