Home / 746,498,485.80-1,120,307,600.70-382,805,634.60

Finding the Fourth Proportional to 746,498,485.80, 1,120,307,600.70 and 382,805,634.60

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Solution

The fourth proportional to 746,498,485.80, 1,120,307,600.70 and 382,805,634.60 is: 574,495,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,498,485.80 : 1,120,307,600.70 = 382,805,634.60 : x
  2. Step 2: Convert to fraction form
    746,498,485.80/1,120,307,600.70 = 382,805,634.60/x
  3. Step 3: Cross multiply
    746,498,485.80x = 1,120,307,600.70 × 382,805,634.60
  4. Step 4: Simplify right side
    746,498,485.80x = 428,860,062,033,166,976
  5. Step 5: Solve for x
    x = 428,860,062,033,166,976/746,498,485.80
  6. Step 6: Final answer
    x = 574,495,555.17

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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.