Home / 433,102,912.80-649,654,369.20-331,066,240.80

Finding the Fourth Proportional to 433,102,912.80, 649,654,369.20 and 331,066,240.80

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Solution

The fourth proportional to 433,102,912.80, 649,654,369.20 and 331,066,240.80 is: 496,599,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,102,912.80 : 649,654,369.20 = 331,066,240.80 : x
  2. Step 2: Convert to fraction form
    433,102,912.80/649,654,369.20 = 331,066,240.80/x
  3. Step 3: Cross multiply
    433,102,912.80x = 649,654,369.20 × 331,066,240.80
  4. Step 4: Simplify right side
    433,102,912.80x = 215,078,629,830,339,328
  5. Step 5: Solve for x
    x = 215,078,629,830,339,328/433,102,912.80
  6. Step 6: Final answer
    x = 496,599,361.20

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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.