Home / 724,704,855.57-1,086,975,876.20-200,148,529.41

Finding the Fourth Proportional to 724,704,855.57, 1,086,975,876.20 and 200,148,529.41

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Solution

The fourth proportional to 724,704,855.57, 1,086,975,876.20 and 200,148,529.41 is: 300,200,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,704,855.57 : 1,086,975,876.20 = 200,148,529.41 : x
  2. Step 2: Convert to fraction form
    724,704,855.57/1,086,975,876.20 = 200,148,529.41/x
  3. Step 3: Cross multiply
    724,704,855.57x = 1,086,975,876.20 × 200,148,529.41
  4. Step 4: Simplify right side
    724,704,855.57x = 217,556,623,124,575,456
  5. Step 5: Solve for x
    x = 217,556,623,124,575,456/724,704,855.57
  6. Step 6: Final answer
    x = 300,200,311.14

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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.