Finding the Fourth Proportional to 5,553,361,793.42, 8,324,186,144.70 and 1,821,678,750.80
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Solution
The fourth proportional to 5,553,361,793.42, 8,324,186,144.70 and 1,821,678,750.80 is: 2,730,596,993.60
Step by Step Solution
- Step 1: Write the proportion equation
5,553,361,793.42 : 8,324,186,144.70 = 1,821,678,750.80 : x - Step 2: Convert to fraction form
5,553,361,793.42/8,324,186,144.70 = 1,821,678,750.80/x - Step 3: Cross multiply
5,553,361,793.42x = 8,324,186,144.70 × 1,821,678,750.80 - Step 4: Simplify right side
5,553,361,793.42x = 15,163,993,017,503,762,432 - Step 5: Solve for x
x = 15,163,993,017,503,762,432/5,553,361,793.42 - Step 6: Final answer
x = 2,730,596,993.60
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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.