Home / 13,214,754,626.63-18,236,801,882.79-7,422,078,846.29

Finding the Fourth Proportional to 13,214,754,626.63, 18,236,801,882.79 and 7,422,078,846.29

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Solution

The fourth proportional to 13,214,754,626.63, 18,236,801,882.79 and 7,422,078,846.29 is: 10,242,716,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,754,626.63 : 18,236,801,882.79 = 7,422,078,846.29 : x
  2. Step 2: Convert to fraction form
    13,214,754,626.63/18,236,801,882.79 = 7,422,078,846.29/x
  3. Step 3: Cross multiply
    13,214,754,626.63x = 18,236,801,882.79 × 7,422,078,846.29
  4. Step 4: Simplify right side
    13,214,754,626.63x = 135,354,981,478,146,129,920
  5. Step 5: Solve for x
    x = 135,354,981,478,146,129,920/13,214,754,626.63
  6. Step 6: Final answer
    x = 10,242,716,214.00

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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.