Home / 302,074,013.24-416,839,603.20-169,889,471.78

Finding the Fourth Proportional to 302,074,013.24, 416,839,603.20 and 169,889,471.78

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Solution

The fourth proportional to 302,074,013.24, 416,839,603.20 and 169,889,471.78 is: 234,434,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,074,013.24 : 416,839,603.20 = 169,889,471.78 : x
  2. Step 2: Convert to fraction form
    302,074,013.24/416,839,603.20 = 169,889,471.78/x
  3. Step 3: Cross multiply
    302,074,013.24x = 416,839,603.20 × 169,889,471.78
  4. Step 4: Simplify right side
    302,074,013.24x = 70,816,660,004,632,800
  5. Step 5: Solve for x
    x = 70,816,660,004,632,800/302,074,013.24
  6. Step 6: Final answer
    x = 234,434,797.11

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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.