Home / 734,040,500.50-1,012,975,834.26-399,515,421.56

Finding the Fourth Proportional to 734,040,500.50, 1,012,975,834.26 and 399,515,421.56

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Solution

The fourth proportional to 734,040,500.50, 1,012,975,834.26 and 399,515,421.56 is: 551,331,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,040,500.50 : 1,012,975,834.26 = 399,515,421.56 : x
  2. Step 2: Convert to fraction form
    734,040,500.50/1,012,975,834.26 = 399,515,421.56/x
  3. Step 3: Cross multiply
    734,040,500.50x = 1,012,975,834.26 × 399,515,421.56
  4. Step 4: Simplify right side
    734,040,500.50x = 404,699,467,450,889,920
  5. Step 5: Solve for x
    x = 404,699,467,450,889,920/734,040,500.50
  6. Step 6: Final answer
    x = 551,331,251.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.