Finding the Fourth Proportional to 272,207,585,246.70, 408,311,377,870.05 and 272,207,585,246.70
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Solution
The fourth proportional to 272,207,585,246.70, 408,311,377,870.05 and 272,207,585,246.70 is: 408,311,377,870.05
Step by Step Solution
- Step 1: Write the proportion equation
272,207,585,246.70 : 408,311,377,870.05 = 272,207,585,246.70 : x - Step 2: Convert to fraction form
272,207,585,246.70/408,311,377,870.05 = 272,207,585,246.70/x - Step 3: Cross multiply
272,207,585,246.70x = 408,311,377,870.05 × 272,207,585,246.70 - Step 4: Simplify right side
272,207,585,246.70x = 111,145,454,198,759,173,914,624 - Step 5: Solve for x
x = 111,145,454,198,759,173,914,624/272,207,585,246.70 - Step 6: Final answer
x = 408,311,377,870.05
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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.