Finding the Fourth Proportional to 5,129,618,008.80, 7,699,402,609.92 and 2,475,541,872.96
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Solution
The fourth proportional to 5,129,618,008.80, 7,699,402,609.92 and 2,475,541,872.96 is: 3,715,714,020.99
Step by Step Solution
- Step 1: Write the proportion equation
5,129,618,008.80 : 7,699,402,609.92 = 2,475,541,872.96 : x - Step 2: Convert to fraction form
5,129,618,008.80/7,699,402,609.92 = 2,475,541,872.96/x - Step 3: Cross multiply
5,129,618,008.80x = 7,699,402,609.92 × 2,475,541,872.96 - Step 4: Simplify right side
5,129,618,008.80x = 19,060,193,557,634,469,888 - Step 5: Solve for x
x = 19,060,193,557,634,469,888/5,129,618,008.80 - Step 6: Final answer
x = 3,715,714,020.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.