Finding the Fourth Proportional to 29,059,427,236.48, 40,102,008,051.36 and 15,693,419,078.08
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Solution
The fourth proportional to 29,059,427,236.48, 40,102,008,051.36 and 15,693,419,078.08 is: 21,656,917,498.79
Step by Step Solution
- Step 1: Write the proportion equation
29,059,427,236.48 : 40,102,008,051.36 = 15,693,419,078.08 : x - Step 2: Convert to fraction form
29,059,427,236.48/40,102,008,051.36 = 15,693,419,078.08/x - Step 3: Cross multiply
29,059,427,236.48x = 40,102,008,051.36 × 15,693,419,078.08 - Step 4: Simplify right side
29,059,427,236.48x = 629,337,618,222,530,822,144 - Step 5: Solve for x
x = 629,337,618,222,530,822,144/29,059,427,236.48 - Step 6: Final answer
x = 21,656,917,498.79
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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.