Home / 693,920,217.05-1,040,777,940.09-202,501,540.53

Finding the Fourth Proportional to 693,920,217.05, 1,040,777,940.09 and 202,501,540.53

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Solution

The fourth proportional to 693,920,217.05, 1,040,777,940.09 and 202,501,540.53 is: 303,722,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,920,217.05 : 1,040,777,940.09 = 202,501,540.53 : x
  2. Step 2: Convert to fraction form
    693,920,217.05/1,040,777,940.09 = 202,501,540.53/x
  3. Step 3: Cross multiply
    693,920,217.05x = 1,040,777,940.09 × 202,501,540.53
  4. Step 4: Simplify right side
    693,920,217.05x = 210,759,136,217,865,056
  5. Step 5: Solve for x
    x = 210,759,136,217,865,056/693,920,217.05
  6. Step 6: Final answer
    x = 303,722,432.41

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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.