Finding the Fourth Proportional to 319,793,435.51, 441,306,810.62 and 178,665,715.98
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Solution
The fourth proportional to 319,793,435.51, 441,306,810.62 and 178,665,715.98 is: 246,554,145.68
Step by Step Solution
- Step 1: Write the proportion equation
319,793,435.51 : 441,306,810.62 = 178,665,715.98 : x - Step 2: Convert to fraction form
319,793,435.51/441,306,810.62 = 178,665,715.98/x - Step 3: Cross multiply
319,793,435.51x = 441,306,810.62 × 178,665,715.98 - Step 4: Simplify right side
319,793,435.51x = 78,846,397,285,379,232 - Step 5: Solve for x
x = 78,846,397,285,379,232/319,793,435.51 - Step 6: Final answer
x = 246,554,145.68
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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.