Home / 746,498,986.80-1,120,308,352.20-382,806,135.60

Finding the Fourth Proportional to 746,498,986.80, 1,120,308,352.20 and 382,806,135.60

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Solution

The fourth proportional to 746,498,986.80, 1,120,308,352.20 and 382,806,135.60 is: 574,496,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,498,986.80 : 1,120,308,352.20 = 382,806,135.60 : x
  2. Step 2: Convert to fraction form
    746,498,986.80/1,120,308,352.20 = 382,806,135.60/x
  3. Step 3: Cross multiply
    746,498,986.80x = 1,120,308,352.20 × 382,806,135.60
  4. Step 4: Simplify right side
    746,498,986.80x = 428,860,910,986,085,824
  5. Step 5: Solve for x
    x = 428,860,910,986,085,824/746,498,986.80
  6. Step 6: Final answer
    x = 574,496,306.85

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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.