Finding the Fourth Proportional to 401,621,059.68, 599,727,067.02 and 327,990,904.92
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Solution
The fourth proportional to 401,621,059.68, 599,727,067.02 and 327,990,904.92 is: 489,777,661.49
Step by Step Solution
- Step 1: Write the proportion equation
401,621,059.68 : 599,727,067.02 = 327,990,904.92 : x - Step 2: Convert to fraction form
401,621,059.68/599,727,067.02 = 327,990,904.92/x - Step 3: Cross multiply
401,621,059.68x = 599,727,067.02 × 327,990,904.92 - Step 4: Simplify right side
401,621,059.68x = 196,705,023,416,907,296 - Step 5: Solve for x
x = 196,705,023,416,907,296/401,621,059.68 - Step 6: Final answer
x = 489,777,661.49
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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.