Finding the Fourth Proportional to 394,672,911.18, 591,805,382.13 and 173,253,626.70
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Solution
The fourth proportional to 394,672,911.18, 591,805,382.13 and 173,253,626.70 is: 259,790,894.81
Step by Step Solution
- Step 1: Write the proportion equation
394,672,911.18 : 591,805,382.13 = 173,253,626.70 : x - Step 2: Convert to fraction form
394,672,911.18/591,805,382.13 = 173,253,626.70/x - Step 3: Cross multiply
394,672,911.18x = 591,805,382.13 × 173,253,626.70 - Step 4: Simplify right side
394,672,911.18x = 102,532,428,754,601,856 - Step 5: Solve for x
x = 102,532,428,754,601,856/394,672,911.18 - Step 6: Final answer
x = 259,790,894.81
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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.