Finding the Fourth Proportional to 295,791,218.44, 408,203,900.38 and 163,629,936.37
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Solution
The fourth proportional to 295,791,218.44, 408,203,900.38 and 163,629,936.37 is: 225,815,960.99
Step by Step Solution
- Step 1: Write the proportion equation
295,791,218.44 : 408,203,900.38 = 163,629,936.37 : x - Step 2: Convert to fraction form
295,791,218.44/408,203,900.38 = 163,629,936.37/x - Step 3: Cross multiply
295,791,218.44x = 408,203,900.38 × 163,629,936.37 - Step 4: Simplify right side
295,791,218.44x = 66,794,378,244,960,416 - Step 5: Solve for x
x = 66,794,378,244,960,416/295,791,218.44 - Step 6: Final answer
x = 225,815,960.99
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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.