Home / 668,491,504.80-1,002,878,974.80-202,114,629.60

Finding the Fourth Proportional to 668,491,504.80, 1,002,878,974.80 and 202,114,629.60

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Solution

The fourth proportional to 668,491,504.80, 1,002,878,974.80 and 202,114,629.60 is: 303,214,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,491,504.80 : 1,002,878,974.80 = 202,114,629.60 : x
  2. Step 2: Convert to fraction form
    668,491,504.80/1,002,878,974.80 = 202,114,629.60/x
  3. Step 3: Cross multiply
    668,491,504.80x = 1,002,878,974.80 × 202,114,629.60
  4. Step 4: Simplify right side
    668,491,504.80x = 202,696,512,525,329,728
  5. Step 5: Solve for x
    x = 202,696,512,525,329,728/668,491,504.80
  6. Step 6: Final answer
    x = 303,214,791.92

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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.