Finding the Fourth Proportional to 1,858,383,473.99, 2,786,556,325.26 and 736,770,891.62
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Solution
The fourth proportional to 1,858,383,473.99, 2,786,556,325.26 and 736,770,891.62 is: 1,104,752,392.09
Step by Step Solution
- Step 1: Write the proportion equation
1,858,383,473.99 : 2,786,556,325.26 = 736,770,891.62 : x - Step 2: Convert to fraction form
1,858,383,473.99/2,786,556,325.26 = 736,770,891.62/x - Step 3: Cross multiply
1,858,383,473.99x = 2,786,556,325.26 × 736,770,891.62 - Step 4: Simplify right side
1,858,383,473.99x = 2,053,053,588,311,161,088 - Step 5: Solve for x
x = 2,053,053,588,311,161,088/1,858,383,473.99 - Step 6: Final answer
x = 1,104,752,392.09
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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.