Home / 511,066,930.90-766,600,396.35-327,400,921.30

Finding the Fourth Proportional to 511,066,930.90, 766,600,396.35 and 327,400,921.30

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Solution

The fourth proportional to 511,066,930.90, 766,600,396.35 and 327,400,921.30 is: 491,101,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,066,930.90 : 766,600,396.35 = 327,400,921.30 : x
  2. Step 2: Convert to fraction form
    511,066,930.90/766,600,396.35 = 327,400,921.30/x
  3. Step 3: Cross multiply
    511,066,930.90x = 766,600,396.35 × 327,400,921.30
  4. Step 4: Simplify right side
    511,066,930.90x = 250,985,676,033,935,168
  5. Step 5: Solve for x
    x = 250,985,676,033,935,168/511,066,930.90
  6. Step 6: Final answer
    x = 491,101,381.95

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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.