Home / 351,042,957.66-484,206,021.53-225,753,555.82

Finding the Fourth Proportional to 351,042,957.66, 484,206,021.53 and 225,753,555.82

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Solution

The fourth proportional to 351,042,957.66, 484,206,021.53 and 225,753,555.82 is: 311,389,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,042,957.66 : 484,206,021.53 = 225,753,555.82 : x
  2. Step 2: Convert to fraction form
    351,042,957.66/484,206,021.53 = 225,753,555.82/x
  3. Step 3: Cross multiply
    351,042,957.66x = 484,206,021.53 × 225,753,555.82
  4. Step 4: Simplify right side
    351,042,957.66x = 109,311,231,109,852,960
  5. Step 5: Solve for x
    x = 109,311,231,109,852,960/351,042,957.66
  6. Step 6: Final answer
    x = 311,389,898.94

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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.