Finding the Fourth Proportional to 378,186,852.26, 521,897,877.92 and 204,346,596.26
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Solution
The fourth proportional to 378,186,852.26, 521,897,877.92 and 204,346,596.26 is: 281,998,314.62
Step by Step Solution
- Step 1: Write the proportion equation
378,186,852.26 : 521,897,877.92 = 204,346,596.26 : x - Step 2: Convert to fraction form
378,186,852.26/521,897,877.92 = 204,346,596.26/x - Step 3: Cross multiply
378,186,852.26x = 521,897,877.92 × 204,346,596.26 - Step 4: Simplify right side
378,186,852.26x = 106,648,054,946,170,384 - Step 5: Solve for x
x = 106,648,054,946,170,384/378,186,852.26 - Step 6: Final answer
x = 281,998,314.62
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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.