Home / 511,297,145.72-766,951,317.30-147,794,651

Finding the Fourth Proportional to 511,297,145.72, 766,951,317.30 and 147,794,651

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Solution

The fourth proportional to 511,297,145.72, 766,951,317.30 and 147,794,651 is: 221,693,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,297,145.72 : 766,951,317.30 = 147,794,651 : x
  2. Step 2: Convert to fraction form
    511,297,145.72/766,951,317.30 = 147,794,651/x
  3. Step 3: Cross multiply
    511,297,145.72x = 766,951,317.30 × 147,794,651
  4. Step 4: Simplify right side
    511,297,145.72x = 113,351,302,274,343,760
  5. Step 5: Solve for x
    x = 113,351,302,274,343,760/511,297,145.72
  6. Step 6: Final answer
    x = 221,693,594.86

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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.