Finding the Fourth Proportional to 8,192,131,115.40, 11,305,160,590.68 and 4,432,982,020.92
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Solution
The fourth proportional to 8,192,131,115.40, 11,305,160,590.68 and 4,432,982,020.92 is: 6,117,525,822.78
Step by Step Solution
- Step 1: Write the proportion equation
8,192,131,115.40 : 11,305,160,590.68 = 4,432,982,020.92 : x - Step 2: Convert to fraction form
8,192,131,115.40/11,305,160,590.68 = 4,432,982,020.92/x - Step 3: Cross multiply
8,192,131,115.40x = 11,305,160,590.68 × 4,432,982,020.92 - Step 4: Simplify right side
8,192,131,115.40x = 50,115,573,642,097,770,496 - Step 5: Solve for x
x = 50,115,573,642,097,770,496/8,192,131,115.40 - Step 6: Final answer
x = 6,117,525,822.78
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1.5x scale
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.