Home / 492,816,013.80-739,175,979.60-129,310,369.80

Finding the Fourth Proportional to 492,816,013.80, 739,175,979.60 and 129,310,369.80

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Solution

The fourth proportional to 492,816,013.80, 739,175,979.60 and 129,310,369.80 is: 193,952,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,816,013.80 : 739,175,979.60 = 129,310,369.80 : x
  2. Step 2: Convert to fraction form
    492,816,013.80/739,175,979.60 = 129,310,369.80/x
  3. Step 3: Cross multiply
    492,816,013.80x = 739,175,979.60 × 129,310,369.80
  4. Step 4: Simplify right side
    492,816,013.80x = 95,583,119,269,353,264
  5. Step 5: Solve for x
    x = 95,583,119,269,353,264/492,816,013.80
  6. Step 6: Final answer
    x = 193,952,949.16

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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.