Home / 492,816,008.80-739,175,972.10-129,310,364.80

Finding the Fourth Proportional to 492,816,008.80, 739,175,972.10 and 129,310,364.80

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Solution

The fourth proportional to 492,816,008.80, 739,175,972.10 and 129,310,364.80 is: 193,952,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,816,008.80 : 739,175,972.10 = 129,310,364.80 : x
  2. Step 2: Convert to fraction form
    492,816,008.80/739,175,972.10 = 129,310,364.80/x
  3. Step 3: Cross multiply
    492,816,008.80x = 739,175,972.10 × 129,310,364.80
  4. Step 4: Simplify right side
    492,816,008.80x = 95,583,114,603,645,616
  5. Step 5: Solve for x
    x = 95,583,114,603,645,616/492,816,008.80
  6. Step 6: Final answer
    x = 193,952,941.66

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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.