Home / 487,156,665.40-730,734,998.10-332,188,469.80

Finding the Fourth Proportional to 487,156,665.40, 730,734,998.10 and 332,188,469.80

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Solution

The fourth proportional to 487,156,665.40, 730,734,998.10 and 332,188,469.80 is: 498,282,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,665.40 : 730,734,998.10 = 332,188,469.80 : x
  2. Step 2: Convert to fraction form
    487,156,665.40/730,734,998.10 = 332,188,469.80/x
  3. Step 3: Cross multiply
    487,156,665.40x = 730,734,998.10 × 332,188,469.80
  4. Step 4: Simplify right side
    487,156,665.40x = 242,741,740,848,144,928
  5. Step 5: Solve for x
    x = 242,741,740,848,144,928/487,156,665.40
  6. Step 6: Final answer
    x = 498,282,704.70

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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.