Home / 394,870,735.50-591,954,853.97-187,481,199.66

Finding the Fourth Proportional to 394,870,735.50, 591,954,853.97 and 187,481,199.66

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Solution

The fourth proportional to 394,870,735.50, 591,954,853.97 and 187,481,199.66 is: 281,055,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,870,735.50 : 591,954,853.97 = 187,481,199.66 : x
  2. Step 2: Convert to fraction form
    394,870,735.50/591,954,853.97 = 187,481,199.66/x
  3. Step 3: Cross multiply
    394,870,735.50x = 591,954,853.97 × 187,481,199.66
  4. Step 4: Simplify right side
    394,870,735.50x = 110,980,406,167,381,760
  5. Step 5: Solve for x
    x = 110,980,406,167,381,760/394,870,735.50
  6. Step 6: Final answer
    x = 281,055,029.38

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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.