Home / 1,036,253,713.97-1,555,079,964.78-405,907,584.73

Finding the Fourth Proportional to 1,036,253,713.97, 1,555,079,964.78 and 405,907,584.73

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Solution

The fourth proportional to 1,036,253,713.97, 1,555,079,964.78 and 405,907,584.73 is: 609,135,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,713.97 : 1,555,079,964.78 = 405,907,584.73 : x
  2. Step 2: Convert to fraction form
    1,036,253,713.97/1,555,079,964.78 = 405,907,584.73/x
  3. Step 3: Cross multiply
    1,036,253,713.97x = 1,555,079,964.78 × 405,907,584.73
  4. Step 4: Simplify right side
    1,036,253,713.97x = 631,218,752,565,863,296
  5. Step 5: Solve for x
    x = 631,218,752,565,863,296/1,036,253,713.97
  6. Step 6: Final answer
    x = 609,135,334.38

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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.