Finding the Fourth Proportional to 3,350,489,706.10, 5,025,734,559.15 and 896,826,609.10
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Solution
The fourth proportional to 3,350,489,706.10, 5,025,734,559.15 and 896,826,609.10 is: 1,345,239,913.65
Step by Step Solution
- Step 1: Write the proportion equation
3,350,489,706.10 : 5,025,734,559.15 = 896,826,609.10 : x - Step 2: Convert to fraction form
3,350,489,706.10/5,025,734,559.15 = 896,826,609.10/x - Step 3: Cross multiply
3,350,489,706.10x = 5,025,734,559.15 × 896,826,609.10 - Step 4: Simplify right side
3,350,489,706.10x = 4,507,212,482,919,177,728 - Step 5: Solve for x
x = 4,507,212,482,919,177,728/3,350,489,706.10 - Step 6: Final answer
x = 1,345,239,913.65
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Double scale
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Similar ratio
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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.