Home / 511,297,144.72-766,951,315.80-147,794,650

Finding the Fourth Proportional to 511,297,144.72, 766,951,315.80 and 147,794,650

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Solution

The fourth proportional to 511,297,144.72, 766,951,315.80 and 147,794,650 is: 221,693,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,297,144.72 : 766,951,315.80 = 147,794,650 : x
  2. Step 2: Convert to fraction form
    511,297,144.72/766,951,315.80 = 147,794,650/x
  3. Step 3: Cross multiply
    511,297,144.72x = 766,951,315.80 × 147,794,650
  4. Step 4: Simplify right side
    511,297,144.72x = 113,351,301,285,700,464
  5. Step 5: Solve for x
    x = 113,351,301,285,700,464/511,297,144.72
  6. Step 6: Final answer
    x = 221,693,593.36

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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.