Finding the Fourth Proportional to 1,858,383,473.49, 2,786,556,324.51 and 736,770,891.12
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Solution
The fourth proportional to 1,858,383,473.49, 2,786,556,324.51 and 736,770,891.12 is: 1,104,752,391.34
Step by Step Solution
- Step 1: Write the proportion equation
1,858,383,473.49 : 2,786,556,324.51 = 736,770,891.12 : x - Step 2: Convert to fraction form
1,858,383,473.49/2,786,556,324.51 = 736,770,891.12/x - Step 3: Cross multiply
1,858,383,473.49x = 2,786,556,324.51 × 736,770,891.12 - Step 4: Simplify right side
1,858,383,473.49x = 2,053,053,586,365,304,832 - Step 5: Solve for x
x = 2,053,053,586,365,304,832/1,858,383,473.49 - Step 6: Final answer
x = 1,104,752,391.34
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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.