Home / 332,176,986.40-498,265,479.60-217,515,200.80

Finding the Fourth Proportional to 332,176,986.40, 498,265,479.60 and 217,515,200.80

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Solution

The fourth proportional to 332,176,986.40, 498,265,479.60 and 217,515,200.80 is: 326,272,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,176,986.40 : 498,265,479.60 = 217,515,200.80 : x
  2. Step 2: Convert to fraction form
    332,176,986.40/498,265,479.60 = 217,515,200.80/x
  3. Step 3: Cross multiply
    332,176,986.40x = 498,265,479.60 × 217,515,200.80
  4. Step 4: Simplify right side
    332,176,986.40x = 108,380,315,846,902,320
  5. Step 5: Solve for x
    x = 108,380,315,846,902,320/332,176,986.40
  6. Step 6: Final answer
    x = 326,272,801.20

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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.