Home / 487,156,660.40-730,734,990.60-332,188,464.80

Finding the Fourth Proportional to 487,156,660.40, 730,734,990.60 and 332,188,464.80

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Solution

The fourth proportional to 487,156,660.40, 730,734,990.60 and 332,188,464.80 is: 498,282,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,660.40 : 730,734,990.60 = 332,188,464.80 : x
  2. Step 2: Convert to fraction form
    487,156,660.40/730,734,990.60 = 332,188,464.80/x
  3. Step 3: Cross multiply
    487,156,660.40x = 730,734,990.60 × 332,188,464.80
  4. Step 4: Simplify right side
    487,156,660.40x = 242,741,734,703,056,448
  5. Step 5: Solve for x
    x = 242,741,734,703,056,448/487,156,660.40
  6. Step 6: Final answer
    x = 498,282,697.20

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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.