Home / 512,052,149.72-767,767,196.52-200,786,865.39

Finding the Fourth Proportional to 512,052,149.72, 767,767,196.52 and 200,786,865.39

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Solution

The fourth proportional to 512,052,149.72, 767,767,196.52 and 200,786,865.39 is: 301,058,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,052,149.72 : 767,767,196.52 = 200,786,865.39 : x
  2. Step 2: Convert to fraction form
    512,052,149.72/767,767,196.52 = 200,786,865.39/x
  3. Step 3: Cross multiply
    512,052,149.72x = 767,767,196.52 × 200,786,865.39
  4. Step 4: Simplify right side
    512,052,149.72x = 154,157,568,738,518,912
  5. Step 5: Solve for x
    x = 154,157,568,738,518,912/512,052,149.72
  6. Step 6: Final answer
    x = 301,058,337.17

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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.