Home / 389,613,571.24-537,517,136.80-222,359,125.56

Finding the Fourth Proportional to 389,613,571.24, 537,517,136.80 and 222,359,125.56

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Solution

The fourth proportional to 389,613,571.24, 537,517,136.80 and 222,359,125.56 is: 306,770,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,613,571.24 : 537,517,136.80 = 222,359,125.56 : x
  2. Step 2: Convert to fraction form
    389,613,571.24/537,517,136.80 = 222,359,125.56/x
  3. Step 3: Cross multiply
    389,613,571.24x = 537,517,136.80 × 222,359,125.56
  4. Step 4: Simplify right side
    389,613,571.24x = 119,521,840,512,362,880
  5. Step 5: Solve for x
    x = 119,521,840,512,362,880/389,613,571.24
  6. Step 6: Final answer
    x = 306,770,218.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.