Home / 398,202,354.80-597,303,532.20-330,177,906.80

Finding the Fourth Proportional to 398,202,354.80, 597,303,532.20 and 330,177,906.80

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Solution

The fourth proportional to 398,202,354.80, 597,303,532.20 and 330,177,906.80 is: 495,266,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,202,354.80 : 597,303,532.20 = 330,177,906.80 : x
  2. Step 2: Convert to fraction form
    398,202,354.80/597,303,532.20 = 330,177,906.80/x
  3. Step 3: Cross multiply
    398,202,354.80x = 597,303,532.20 × 330,177,906.80
  4. Step 4: Simplify right side
    398,202,354.80x = 197,216,429,986,042,432
  5. Step 5: Solve for x
    x = 197,216,429,986,042,432/398,202,354.80
  6. Step 6: Final answer
    x = 495,266,860.20

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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.