Finding the Fourth Proportional to 18,132,939,693,131, 27,199,409,539,696 and 18,132,939,693,131
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Solution
The fourth proportional to 18,132,939,693,131, 27,199,409,539,696 and 18,132,939,693,131 is: 27,199,409,539,696
Step by Step Solution
- Step 1: Write the proportion equation
18,132,939,693,131 : 27,199,409,539,696 = 18,132,939,693,131 : x - Step 2: Convert to fraction form
18,132,939,693,131/27,199,409,539,696 = 18,132,939,693,131/x - Step 3: Cross multiply
18,132,939,693,131x = 27,199,409,539,696 × 18,132,939,693,131 - Step 4: Simplify right side
18,132,939,693,131x = 493,205,252,872,079,592,761,851,904 - Step 5: Solve for x
x = 493,205,252,872,079,592,761,851,904/18,132,939,693,131 - Step 6: Final answer
x = 27,199,409,539,696
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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.