Home / 492,816,003.30-739,175,963.85-129,310,359.30

Finding the Fourth Proportional to 492,816,003.30, 739,175,963.85 and 129,310,359.30

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Solution

The fourth proportional to 492,816,003.30, 739,175,963.85 and 129,310,359.30 is: 193,952,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,816,003.30 : 739,175,963.85 = 129,310,359.30 : x
  2. Step 2: Convert to fraction form
    492,816,003.30/739,175,963.85 = 129,310,359.30/x
  3. Step 3: Cross multiply
    492,816,003.30x = 739,175,963.85 × 129,310,359.30
  4. Step 4: Simplify right side
    492,816,003.30x = 95,583,109,471,367,312
  5. Step 5: Solve for x
    x = 95,583,109,471,367,312/492,816,003.30
  6. Step 6: Final answer
    x = 193,952,933.41

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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.