Finding the Fourth Proportional to 325,799,120.64, 449,591,218.56 and 179,120,336.64
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Solution
The fourth proportional to 325,799,120.64, 449,591,218.56 and 179,120,336.64 is: 247,179,704.66
Step by Step Solution
- Step 1: Write the proportion equation
325,799,120.64 : 449,591,218.56 = 179,120,336.64 : x - Step 2: Convert to fraction form
325,799,120.64/449,591,218.56 = 179,120,336.64/x - Step 3: Cross multiply
325,799,120.64x = 449,591,218.56 × 179,120,336.64 - Step 4: Simplify right side
325,799,120.64x = 80,530,930,418,855,008 - Step 5: Solve for x
x = 80,530,930,418,855,008/325,799,120.64 - Step 6: Final answer
x = 247,179,704.66
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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.