Home / 302,005,786.41-416,719,273.92-169,838,900.82

Finding the Fourth Proportional to 302,005,786.41, 416,719,273.92 and 169,838,900.82

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Solution

The fourth proportional to 302,005,786.41, 416,719,273.92 and 169,838,900.82 is: 234,350,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,005,786.41 : 416,719,273.92 = 169,838,900.82 : x
  2. Step 2: Convert to fraction form
    302,005,786.41/416,719,273.92 = 169,838,900.82/x
  3. Step 3: Cross multiply
    302,005,786.41x = 416,719,273.92 × 169,838,900.82
  4. Step 4: Simplify right side
    302,005,786.41x = 70,775,143,433,081,296
  5. Step 5: Solve for x
    x = 70,775,143,433,081,296/302,005,786.41
  6. Step 6: Final answer
    x = 234,350,289.36

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1.5x scale

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.