Finding the Fourth Proportional to 3,188,650,083.80, 4,782,975,125.70 and 2,413,809,105.80
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Solution
The fourth proportional to 3,188,650,083.80, 4,782,975,125.70 and 2,413,809,105.80 is: 3,620,713,658.70
Step by Step Solution
- Step 1: Write the proportion equation
3,188,650,083.80 : 4,782,975,125.70 = 2,413,809,105.80 : x - Step 2: Convert to fraction form
3,188,650,083.80/4,782,975,125.70 = 2,413,809,105.80/x - Step 3: Cross multiply
3,188,650,083.80x = 4,782,975,125.70 × 2,413,809,105.80 - Step 4: Simplify right side
3,188,650,083.80x = 11,545,188,911,229,560,832 - Step 5: Solve for x
x = 11,545,188,911,229,560,832/3,188,650,083.80 - Step 6: Final answer
x = 3,620,713,658.70
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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.