Home / 401,621,059.26-599,727,066.44-327,990,904.47

Finding the Fourth Proportional to 401,621,059.26, 599,727,066.44 and 327,990,904.47

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Solution

The fourth proportional to 401,621,059.26, 599,727,066.44 and 327,990,904.47 is: 489,777,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,621,059.26 : 599,727,066.44 = 327,990,904.47 : x
  2. Step 2: Convert to fraction form
    401,621,059.26/599,727,066.44 = 327,990,904.47/x
  3. Step 3: Cross multiply
    401,621,059.26x = 599,727,066.44 × 327,990,904.47
  4. Step 4: Simplify right side
    401,621,059.26x = 196,705,022,955,155,424
  5. Step 5: Solve for x
    x = 196,705,022,955,155,424/401,621,059.26
  6. Step 6: Final answer
    x = 489,777,660.86

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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.