Finding the Fourth Proportional to 3,102,903,452.80, 4,656,622,660.80 and 2,184,573,404.80
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Solution
The fourth proportional to 3,102,903,452.80, 4,656,622,660.80 and 2,184,573,404.80 is: 3,278,456,508.79
Step by Step Solution
- Step 1: Write the proportion equation
3,102,903,452.80 : 4,656,622,660.80 = 2,184,573,404.80 : x - Step 2: Convert to fraction form
3,102,903,452.80/4,656,622,660.80 = 2,184,573,404.80/x - Step 3: Cross multiply
3,102,903,452.80x = 4,656,622,660.80 × 2,184,573,404.80 - Step 4: Simplify right side
3,102,903,452.80x = 10,172,734,020,972,693,504 - Step 5: Solve for x
x = 10,172,734,020,972,693,504/3,102,903,452.80 - Step 6: Final answer
x = 3,278,456,508.79
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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.