Home / 699,532,912.80-1,048,821,072.30-331,244,299.80

Finding the Fourth Proportional to 699,532,912.80, 1,048,821,072.30 and 331,244,299.80

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Solution

The fourth proportional to 699,532,912.80, 1,048,821,072.30 and 331,244,299.80 is: 496,639,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,532,912.80 : 1,048,821,072.30 = 331,244,299.80 : x
  2. Step 2: Convert to fraction form
    699,532,912.80/1,048,821,072.30 = 331,244,299.80/x
  3. Step 3: Cross multiply
    699,532,912.80x = 1,048,821,072.30 × 331,244,299.80
  4. Step 4: Simplify right side
    699,532,912.80x = 347,416,001,709,498,688
  5. Step 5: Solve for x
    x = 347,416,001,709,498,688/699,532,912.80
  6. Step 6: Final answer
    x = 496,639,965.54

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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.