Home / 512,487,078.30-768,730,617.45-236,137,758.30

Finding the Fourth Proportional to 512,487,078.30, 768,730,617.45 and 236,137,758.30

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Solution

The fourth proportional to 512,487,078.30, 768,730,617.45 and 236,137,758.30 is: 354,206,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,487,078.30 : 768,730,617.45 = 236,137,758.30 : x
  2. Step 2: Convert to fraction form
    512,487,078.30/768,730,617.45 = 236,137,758.30/x
  3. Step 3: Cross multiply
    512,487,078.30x = 768,730,617.45 × 236,137,758.30
  4. Step 4: Simplify right side
    512,487,078.30x = 181,526,324,741,217,888
  5. Step 5: Solve for x
    x = 181,526,324,741,217,888/512,487,078.30
  6. Step 6: Final answer
    x = 354,206,637.45

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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.