Home / 381,560,016.40-572,414,674.20-163,209,936.40

Finding the Fourth Proportional to 381,560,016.40, 572,414,674.20 and 163,209,936.40

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Solution

The fourth proportional to 381,560,016.40, 572,414,674.20 and 163,209,936.40 is: 244,846,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,560,016.40 : 572,414,674.20 = 163,209,936.40 : x
  2. Step 2: Convert to fraction form
    381,560,016.40/572,414,674.20 = 163,209,936.40/x
  3. Step 3: Cross multiply
    381,560,016.40x = 572,414,674.20 × 163,209,936.40
  4. Step 4: Simplify right side
    381,560,016.40x = 93,423,762,570,608,736
  5. Step 5: Solve for x
    x = 93,423,762,570,608,736/381,560,016.40
  6. Step 6: Final answer
    x = 244,846,835.50

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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.