Home / 433,102,692.80-649,654,039.20-331,066,020.80

Finding the Fourth Proportional to 433,102,692.80, 649,654,039.20 and 331,066,020.80

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Solution

The fourth proportional to 433,102,692.80, 649,654,039.20 and 331,066,020.80 is: 496,599,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,102,692.80 : 649,654,039.20 = 331,066,020.80 : x
  2. Step 2: Convert to fraction form
    433,102,692.80/649,654,039.20 = 331,066,020.80/x
  3. Step 3: Cross multiply
    433,102,692.80x = 649,654,039.20 × 331,066,020.80
  4. Step 4: Simplify right side
    433,102,692.80x = 215,078,377,654,591,232
  5. Step 5: Solve for x
    x = 215,078,377,654,591,232/433,102,692.80
  6. Step 6: Final answer
    x = 496,599,031.20

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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.