Home / 798,809,791.60-1,198,347,397.80-314,151,410.80

Finding the Fourth Proportional to 798,809,791.60, 1,198,347,397.80 and 314,151,410.80

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Solution

The fourth proportional to 798,809,791.60, 1,198,347,397.80 and 314,151,410.80 is: 471,279,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,809,791.60 : 1,198,347,397.80 = 314,151,410.80 : x
  2. Step 2: Convert to fraction form
    798,809,791.60/1,198,347,397.80 = 314,151,410.80/x
  3. Step 3: Cross multiply
    798,809,791.60x = 1,198,347,397.80 × 314,151,410.80
  4. Step 4: Simplify right side
    798,809,791.60x = 376,462,525,647,378,816
  5. Step 5: Solve for x
    x = 376,462,525,647,378,816/798,809,791.60
  6. Step 6: Final answer
    x = 471,279,307.80

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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.