Home / 512,052,121.24-767,767,153.81-200,786,836.91

Finding the Fourth Proportional to 512,052,121.24, 767,767,153.81 and 200,786,836.91

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Solution

The fourth proportional to 512,052,121.24, 767,767,153.81 and 200,786,836.91 is: 301,058,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,052,121.24 : 767,767,153.81 = 200,786,836.91 : x
  2. Step 2: Convert to fraction form
    512,052,121.24/767,767,153.81 = 200,786,836.91/x
  3. Step 3: Cross multiply
    512,052,121.24x = 767,767,153.81 × 200,786,836.91
  4. Step 4: Simplify right side
    512,052,121.24x = 154,157,538,294,486,080
  5. Step 5: Solve for x
    x = 154,157,538,294,486,080/512,052,121.24
  6. Step 6: Final answer
    x = 301,058,294.46

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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.