Finding the Fourth Proportional to 4,195,542,173.13, 5,789,985,235.03 and 2,290,405,231.78
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Solution
The fourth proportional to 4,195,542,173.13, 5,789,985,235.03 and 2,290,405,231.78 is: 3,160,834,029.79
Step by Step Solution
- Step 1: Write the proportion equation
4,195,542,173.13 : 5,789,985,235.03 = 2,290,405,231.78 : x - Step 2: Convert to fraction form
4,195,542,173.13/5,789,985,235.03 = 2,290,405,231.78/x - Step 3: Cross multiply
4,195,542,173.13x = 5,789,985,235.03 × 2,290,405,231.78 - Step 4: Simplify right side
4,195,542,173.13x = 13,261,412,474,241,665,024 - Step 5: Solve for x
x = 13,261,412,474,241,665,024/4,195,542,173.13 - Step 6: Final answer
x = 3,160,834,029.79
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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.