Home / 436,796,849.28-654,691,389.12-163,993,618.56

Finding the Fourth Proportional to 436,796,849.28, 654,691,389.12 and 163,993,618.56

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Solution

The fourth proportional to 436,796,849.28, 654,691,389.12 and 163,993,618.56 is: 245,801,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,796,849.28 : 654,691,389.12 = 163,993,618.56 : x
  2. Step 2: Convert to fraction form
    436,796,849.28/654,691,389.12 = 163,993,618.56/x
  3. Step 3: Cross multiply
    436,796,849.28x = 654,691,389.12 × 163,993,618.56
  4. Step 4: Simplify right side
    436,796,849.28x = 107,365,209,941,861,824
  5. Step 5: Solve for x
    x = 107,365,209,941,861,824/436,796,849.28
  6. Step 6: Final answer
    x = 245,801,246.32

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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.