Home / 351,042,957.54-484,206,021.35-225,753,555.71

Finding the Fourth Proportional to 351,042,957.54, 484,206,021.35 and 225,753,555.71

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Solution

The fourth proportional to 351,042,957.54, 484,206,021.35 and 225,753,555.71 is: 311,389,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,042,957.54 : 484,206,021.35 = 225,753,555.71 : x
  2. Step 2: Convert to fraction form
    351,042,957.54/484,206,021.35 = 225,753,555.71/x
  3. Step 3: Cross multiply
    351,042,957.54x = 484,206,021.35 × 225,753,555.71
  4. Step 4: Simplify right side
    351,042,957.54x = 109,311,231,015,954,688
  5. Step 5: Solve for x
    x = 109,311,231,015,954,688/351,042,957.54
  6. Step 6: Final answer
    x = 311,389,898.78

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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.