Home / 263,338,118.49-394,722,066.24-171,287,638.41

Finding the Fourth Proportional to 263,338,118.49, 394,722,066.24 and 171,287,638.41

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Solution

The fourth proportional to 263,338,118.49, 394,722,066.24 and 171,287,638.41 is: 256,746,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,338,118.49 : 394,722,066.24 = 171,287,638.41 : x
  2. Step 2: Convert to fraction form
    263,338,118.49/394,722,066.24 = 171,287,638.41/x
  3. Step 3: Cross multiply
    263,338,118.49x = 394,722,066.24 × 171,287,638.41
  4. Step 4: Simplify right side
    263,338,118.49x = 67,611,010,554,565,192
  5. Step 5: Solve for x
    x = 67,611,010,554,565,192/263,338,118.49
  6. Step 6: Final answer
    x = 256,746,007.54

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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.