Home / 492,281,861.10-738,534,766.05-287,704,632.30

Finding the Fourth Proportional to 492,281,861.10, 738,534,766.05 and 287,704,632.30

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Solution

The fourth proportional to 492,281,861.10, 738,534,766.05 and 287,704,632.30 is: 431,622,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,281,861.10 : 738,534,766.05 = 287,704,632.30 : x
  2. Step 2: Convert to fraction form
    492,281,861.10/738,534,766.05 = 287,704,632.30/x
  3. Step 3: Cross multiply
    492,281,861.10x = 738,534,766.05 × 287,704,632.30
  4. Step 4: Simplify right side
    492,281,861.10x = 212,479,873,307,181,760
  5. Step 5: Solve for x
    x = 212,479,873,307,181,760/492,281,861.10
  6. Step 6: Final answer
    x = 431,622,389.73

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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.