Finding the Fourth Proportional to 8,192,131,058.19, 11,305,160,511.83 and 4,432,981,963.71
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Solution
The fourth proportional to 8,192,131,058.19, 11,305,160,511.83 and 4,432,981,963.71 is: 6,117,525,743.89
Step by Step Solution
- Step 1: Write the proportion equation
8,192,131,058.19 : 11,305,160,511.83 = 4,432,981,963.71 : x - Step 2: Convert to fraction form
8,192,131,058.19/11,305,160,511.83 = 4,432,981,963.71/x - Step 3: Cross multiply
8,192,131,058.19x = 11,305,160,511.83 × 4,432,981,963.71 - Step 4: Simplify right side
8,192,131,058.19x = 50,115,572,645,788,901,376 - Step 5: Solve for x
x = 50,115,572,645,788,901,376/8,192,131,058.19 - Step 6: Final answer
x = 6,117,525,743.89
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Double scale
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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.