Home / 13,214,754,622.10-18,236,801,876.49-7,422,078,841.73

Finding the Fourth Proportional to 13,214,754,622.10, 18,236,801,876.49 and 7,422,078,841.73

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Solution

The fourth proportional to 13,214,754,622.10, 18,236,801,876.49 and 7,422,078,841.73 is: 10,242,716,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,754,622.10 : 18,236,801,876.49 = 7,422,078,841.73 : x
  2. Step 2: Convert to fraction form
    13,214,754,622.10/18,236,801,876.49 = 7,422,078,841.73/x
  3. Step 3: Cross multiply
    13,214,754,622.10x = 18,236,801,876.49 × 7,422,078,841.73
  4. Step 4: Simplify right side
    13,214,754,622.10x = 135,354,981,348,318,396,416
  5. Step 5: Solve for x
    x = 135,354,981,348,318,396,416/13,214,754,622.10
  6. Step 6: Final answer
    x = 10,242,716,207.68

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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.