Home / 464,419,981.11-640,755,290.49-263,443,732.55

Finding the Fourth Proportional to 464,419,981.11, 640,755,290.49 and 263,443,732.55

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Solution

The fourth proportional to 464,419,981.11, 640,755,290.49 and 263,443,732.55 is: 363,470,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,419,981.11 : 640,755,290.49 = 263,443,732.55 : x
  2. Step 2: Convert to fraction form
    464,419,981.11/640,755,290.49 = 263,443,732.55/x
  3. Step 3: Cross multiply
    464,419,981.11x = 640,755,290.49 × 263,443,732.55
  4. Step 4: Simplify right side
    464,419,981.11x = 168,802,965,374,641,344
  5. Step 5: Solve for x
    x = 168,802,965,374,641,344/464,419,981.11
  6. Step 6: Final answer
    x = 363,470,505.66

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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.