Finding the Fourth Proportional to 394,736,677.94, 544,715,034.57 and 216,086,006.09
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Solution
The fourth proportional to 394,736,677.94, 544,715,034.57 and 216,086,006.09 is: 298,186,874.58
Step by Step Solution
- Step 1: Write the proportion equation
394,736,677.94 : 544,715,034.57 = 216,086,006.09 : x - Step 2: Convert to fraction form
394,736,677.94/544,715,034.57 = 216,086,006.09/x - Step 3: Cross multiply
394,736,677.94x = 544,715,034.57 × 216,086,006.09 - Step 4: Simplify right side
394,736,677.94x = 117,705,296,274,684,016 - Step 5: Solve for x
x = 117,705,296,274,684,016/394,736,677.94 - Step 6: Final answer
x = 298,186,874.58
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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.