Home / 420,151,777.20-630,227,665.80-267,474,682.80

Finding the Fourth Proportional to 420,151,777.20, 630,227,665.80 and 267,474,682.80

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Solution

The fourth proportional to 420,151,777.20, 630,227,665.80 and 267,474,682.80 is: 401,212,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,151,777.20 : 630,227,665.80 = 267,474,682.80 : x
  2. Step 2: Convert to fraction form
    420,151,777.20/630,227,665.80 = 267,474,682.80/x
  3. Step 3: Cross multiply
    420,151,777.20x = 630,227,665.80 × 267,474,682.80
  4. Step 4: Simplify right side
    420,151,777.20x = 168,569,945,001,639,392
  5. Step 5: Solve for x
    x = 168,569,945,001,639,392/420,151,777.20
  6. Step 6: Final answer
    x = 401,212,024.20

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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.