Finding the Fourth Proportional to 4,195,542,174.13, 5,789,985,236.41 and 2,290,405,232.78
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Solution
The fourth proportional to 4,195,542,174.13, 5,789,985,236.41 and 2,290,405,232.78 is: 3,160,834,031.17
Step by Step Solution
- Step 1: Write the proportion equation
4,195,542,174.13 : 5,789,985,236.41 = 2,290,405,232.78 : x - Step 2: Convert to fraction form
4,195,542,174.13/5,789,985,236.41 = 2,290,405,232.78/x - Step 3: Cross multiply
4,195,542,174.13x = 5,789,985,236.41 × 2,290,405,232.78 - Step 4: Simplify right side
4,195,542,174.13x = 13,261,412,483,192,410,112 - Step 5: Solve for x
x = 13,261,412,483,192,410,112/4,195,542,174.13 - Step 6: Final answer
x = 3,160,834,031.17
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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.