Finding the Fourth Proportional to 13,415,110,711.97, 18,512,796,840.11 and 7,393,601,744.79
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Solution
The fourth proportional to 13,415,110,711.97, 18,512,796,840.11 and 7,393,601,744.79 is: 10,203,139,575.72
Step by Step Solution
- Step 1: Write the proportion equation
13,415,110,711.97 : 18,512,796,840.11 = 7,393,601,744.79 : x - Step 2: Convert to fraction form
13,415,110,711.97/18,512,796,840.11 = 7,393,601,744.79/x - Step 3: Cross multiply
13,415,110,711.97x = 18,512,796,840.11 × 7,393,601,744.79 - Step 4: Simplify right side
13,415,110,711.97x = 136,876,247,017,906,061,312 - Step 5: Solve for x
x = 136,876,247,017,906,061,312/13,415,110,711.97 - Step 6: Final answer
x = 10,203,139,575.72
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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.