Finding the Fourth Proportional to 325,524,597.30, 449,262,455.73 and 193,366,115.96
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Solution
The fourth proportional to 325,524,597.30, 449,262,455.73 and 193,366,115.96 is: 266,868,116.37
Step by Step Solution
- Step 1: Write the proportion equation
325,524,597.30 : 449,262,455.73 = 193,366,115.96 : x - Step 2: Convert to fraction form
325,524,597.30/449,262,455.73 = 193,366,115.96/x - Step 3: Cross multiply
325,524,597.30x = 449,262,455.73 × 193,366,115.96 - Step 4: Simplify right side
325,524,597.30x = 86,872,136,112,284,704 - Step 5: Solve for x
x = 86,872,136,112,284,704/325,524,597.30 - Step 6: Final answer
x = 266,868,116.37
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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.