Home / 492,097,172.10-738,145,758.15-287,519,943.30

Finding the Fourth Proportional to 492,097,172.10, 738,145,758.15 and 287,519,943.30

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Solution

The fourth proportional to 492,097,172.10, 738,145,758.15 and 287,519,943.30 is: 431,279,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,097,172.10 : 738,145,758.15 = 287,519,943.30 : x
  2. Step 2: Convert to fraction form
    492,097,172.10/738,145,758.15 = 287,519,943.30/x
  3. Step 3: Cross multiply
    492,097,172.10x = 738,145,758.15 × 287,519,943.30
  4. Step 4: Simplify right side
    492,097,172.10x = 212,231,626,530,423,520
  5. Step 5: Solve for x
    x = 212,231,626,530,423,520/492,097,172.10
  6. Step 6: Final answer
    x = 431,279,914.95

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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.