Home / 401,621,062.68-599,727,071.49-327,990,907.92

Finding the Fourth Proportional to 401,621,062.68, 599,727,071.49 and 327,990,907.92

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Solution

The fourth proportional to 401,621,062.68, 599,727,071.49 and 327,990,907.92 is: 489,777,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,621,062.68 : 599,727,071.49 = 327,990,907.92 : x
  2. Step 2: Convert to fraction form
    401,621,062.68/599,727,071.49 = 327,990,907.92/x
  3. Step 3: Cross multiply
    401,621,062.68x = 599,727,071.49 × 327,990,907.92
  4. Step 4: Simplify right side
    401,621,062.68x = 196,705,026,682,207,872
  5. Step 5: Solve for x
    x = 196,705,026,682,207,872/401,621,062.68
  6. Step 6: Final answer
    x = 489,777,665.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.