Home / 19,879,463,258.88-29,818,998,380.25-9,107,689,149.33

Finding the Fourth Proportional to 19,879,463,258.88, 29,818,998,380.25 and 9,107,689,149.33

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Solution

The fourth proportional to 19,879,463,258.88, 29,818,998,380.25 and 9,107,689,149.33 is: 13,661,443,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,463,258.88 : 29,818,998,380.25 = 9,107,689,149.33 : x
  2. Step 2: Convert to fraction form
    19,879,463,258.88/29,818,998,380.25 = 9,107,689,149.33/x
  3. Step 3: Cross multiply
    19,879,463,258.88x = 29,818,998,380.25 × 9,107,689,149.33
  4. Step 4: Simplify right side
    19,879,463,258.88x = 271,582,167,991,691,771,904
  5. Step 5: Solve for x
    x = 271,582,167,991,691,771,904/19,879,463,258.88
  6. Step 6: Final answer
    x = 13,661,443,694.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.