Home / 487,156,811.40-730,735,217.10-332,188,615.80

Finding the Fourth Proportional to 487,156,811.40, 730,735,217.10 and 332,188,615.80

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Solution

The fourth proportional to 487,156,811.40, 730,735,217.10 and 332,188,615.80 is: 498,282,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,811.40 : 730,735,217.10 = 332,188,615.80 : x
  2. Step 2: Convert to fraction form
    487,156,811.40/730,735,217.10 = 332,188,615.80/x
  3. Step 3: Cross multiply
    487,156,811.40x = 730,735,217.10 × 332,188,615.80
  4. Step 4: Simplify right side
    487,156,811.40x = 242,741,920,284,761,504
  5. Step 5: Solve for x
    x = 242,741,920,284,761,504/487,156,811.40
  6. Step 6: Final answer
    x = 498,282,923.70

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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.