Home / 351,126,988.92-484,555,286.79-194,504,240.34

Finding the Fourth Proportional to 351,126,988.92, 484,555,286.79 and 194,504,240.34

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Solution

The fourth proportional to 351,126,988.92, 484,555,286.79 and 194,504,240.34 is: 268,415,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,126,988.92 : 484,555,286.79 = 194,504,240.34 : x
  2. Step 2: Convert to fraction form
    351,126,988.92/484,555,286.79 = 194,504,240.34/x
  3. Step 3: Cross multiply
    351,126,988.92x = 484,555,286.79 × 194,504,240.34
  4. Step 4: Simplify right side
    351,126,988.92x = 94,248,057,959,819,792
  5. Step 5: Solve for x
    x = 94,248,057,959,819,792/351,126,988.92
  6. Step 6: Final answer
    x = 268,415,874.98

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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.