Home / 542,821,735.71-814,098,082.41-154,647,929.09

Finding the Fourth Proportional to 542,821,735.71, 814,098,082.41 and 154,647,929.09

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Solution

The fourth proportional to 542,821,735.71, 814,098,082.41 and 154,647,929.09 is: 231,933,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,821,735.71 : 814,098,082.41 = 154,647,929.09 : x
  2. Step 2: Convert to fraction form
    542,821,735.71/814,098,082.41 = 154,647,929.09/x
  3. Step 3: Cross multiply
    542,821,735.71x = 814,098,082.41 × 154,647,929.09
  4. Step 4: Simplify right side
    542,821,735.71x = 125,898,582,522,881,904
  5. Step 5: Solve for x
    x = 125,898,582,522,881,904/542,821,735.71
  6. Step 6: Final answer
    x = 231,933,569.05

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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.