Finding the Fourth Proportional to 217,728,045.98, 326,592,068.96 and 192,218,877.98
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Solution
The fourth proportional to 217,728,045.98, 326,592,068.96 and 192,218,877.98 is: 288,328,316.96
Step by Step Solution
- Step 1: Write the proportion equation
217,728,045.98 : 326,592,068.96 = 192,218,877.98 : x - Step 2: Convert to fraction form
217,728,045.98/326,592,068.96 = 192,218,877.98/x - Step 3: Cross multiply
217,728,045.98x = 326,592,068.96 × 192,218,877.98 - Step 4: Simplify right side
217,728,045.98x = 62,777,161,051,505,568 - Step 5: Solve for x
x = 62,777,161,051,505,568/217,728,045.98 - Step 6: Final answer
x = 288,328,316.96
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1.5x scale
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.