Home / 21,845,682,809.16-30,147,094,680.66-11,821,285,223.88

Finding the Fourth Proportional to 21,845,682,809.16, 30,147,094,680.66 and 11,821,285,223.88

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Solution

The fourth proportional to 21,845,682,809.16, 30,147,094,680.66 and 11,821,285,223.88 is: 16,313,401,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,682,809.16 : 30,147,094,680.66 = 11,821,285,223.88 : x
  2. Step 2: Convert to fraction form
    21,845,682,809.16/30,147,094,680.66 = 11,821,285,223.88/x
  3. Step 3: Cross multiply
    21,845,682,809.16x = 30,147,094,680.66 × 11,821,285,223.88
  4. Step 4: Simplify right side
    21,845,682,809.16x = 356,377,404,891,397,357,568
  5. Step 5: Solve for x
    x = 356,377,404,891,397,357,568/21,845,682,809.16
  6. Step 6: Final answer
    x = 16,313,401,966.18

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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.