Finding the Fourth Proportional to 320,967,338.84, 442,981,716.18 and 179,848,102.04
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Solution
The fourth proportional to 320,967,338.84, 442,981,716.18 and 179,848,102.04 is: 248,216,597.93
Step by Step Solution
- Step 1: Write the proportion equation
320,967,338.84 : 442,981,716.18 = 179,848,102.04 : x - Step 2: Convert to fraction form
320,967,338.84/442,981,716.18 = 179,848,102.04/x - Step 3: Cross multiply
320,967,338.84x = 442,981,716.18 × 179,848,102.04 - Step 4: Simplify right side
320,967,338.84x = 79,669,420,893,394,960 - Step 5: Solve for x
x = 79,669,420,893,394,960/320,967,338.84 - Step 6: Final answer
x = 248,216,597.93
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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.