Finding the Fourth Proportional to 5,350,887,687.20, 8,032,378,148.40 and 3,171,082,042.40
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Solution
The fourth proportional to 5,350,887,687.20, 8,032,378,148.40 and 3,171,082,042.40 is: 4,760,206,454.17
Step by Step Solution
- Step 1: Write the proportion equation
5,350,887,687.20 : 8,032,378,148.40 = 3,171,082,042.40 : x - Step 2: Convert to fraction form
5,350,887,687.20/8,032,378,148.40 = 3,171,082,042.40/x - Step 3: Cross multiply
5,350,887,687.20x = 8,032,378,148.40 × 3,171,082,042.40 - Step 4: Simplify right side
5,350,887,687.20x = 25,471,330,104,157,401,088 - Step 5: Solve for x
x = 25,471,330,104,157,401,088/5,350,887,687.20 - Step 6: Final answer
x = 4,760,206,454.17
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1.5x scale
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.