Finding the Fourth Proportional to 275,668,503.23, 413,502,754.84 and 213,250,757.78
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Solution
The fourth proportional to 275,668,503.23, 413,502,754.84 and 213,250,757.78 is: 319,876,136.66
Step by Step Solution
- Step 1: Write the proportion equation
275,668,503.23 : 413,502,754.84 = 213,250,757.78 : x - Step 2: Convert to fraction form
275,668,503.23/413,502,754.84 = 213,250,757.78/x - Step 3: Cross multiply
275,668,503.23x = 413,502,754.84 × 213,250,757.78 - Step 4: Simplify right side
275,668,503.23x = 88,179,775,811,680,048 - Step 5: Solve for x
x = 88,179,775,811,680,048/275,668,503.23 - Step 6: Final answer
x = 319,876,136.66
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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.