Home / 1,098,145,755.99-1,647,217,312.07-280,258,144.47

Finding the Fourth Proportional to 1,098,145,755.99, 1,647,217,312.07 and 280,258,144.47

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Solution

The fourth proportional to 1,098,145,755.99, 1,647,217,312.07 and 280,258,144.47 is: 420,386,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,145,755.99 : 1,647,217,312.07 = 280,258,144.47 : x
  2. Step 2: Convert to fraction form
    1,098,145,755.99/1,647,217,312.07 = 280,258,144.47/x
  3. Step 3: Cross multiply
    1,098,145,755.99x = 1,647,217,312.07 × 280,258,144.47
  4. Step 4: Simplify right side
    1,098,145,755.99x = 461,646,067,418,197,888
  5. Step 5: Solve for x
    x = 461,646,067,418,197,888/1,098,145,755.99
  6. Step 6: Final answer
    x = 420,386,879.34

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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.