Home / 511,066,916.90-766,600,375.35-327,400,907.30

Finding the Fourth Proportional to 511,066,916.90, 766,600,375.35 and 327,400,907.30

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Solution

The fourth proportional to 511,066,916.90, 766,600,375.35 and 327,400,907.30 is: 491,101,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,066,916.90 : 766,600,375.35 = 327,400,907.30 : x
  2. Step 2: Convert to fraction form
    511,066,916.90/766,600,375.35 = 327,400,907.30/x
  3. Step 3: Cross multiply
    511,066,916.90x = 766,600,375.35 × 327,400,907.30
  4. Step 4: Simplify right side
    511,066,916.90x = 250,985,658,426,110,560
  5. Step 5: Solve for x
    x = 250,985,658,426,110,560/511,066,916.90
  6. Step 6: Final answer
    x = 491,101,360.95

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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.