Home / 435,470,107.20-652,309,365.60-220,180,660.80

Finding the Fourth Proportional to 435,470,107.20, 652,309,365.60 and 220,180,660.80

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Solution

The fourth proportional to 435,470,107.20, 652,309,365.60 and 220,180,660.80 is: 329,818,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,470,107.20 : 652,309,365.60 = 220,180,660.80 : x
  2. Step 2: Convert to fraction form
    435,470,107.20/652,309,365.60 = 220,180,660.80/x
  3. Step 3: Cross multiply
    435,470,107.20x = 652,309,365.60 × 220,180,660.80
  4. Step 4: Simplify right side
    435,470,107.20x = 143,625,907,163,836,800
  5. Step 5: Solve for x
    x = 143,625,907,163,836,800/435,470,107.20
  6. Step 6: Final answer
    x = 329,818,062.80

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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.