Finding the Fourth Proportional to 2,967,029,609.70, 4,450,544,414.55 and 756,235,049.70
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Solution
The fourth proportional to 2,967,029,609.70, 4,450,544,414.55 and 756,235,049.70 is: 1,134,352,574.55
Step by Step Solution
- Step 1: Write the proportion equation
2,967,029,609.70 : 4,450,544,414.55 = 756,235,049.70 : x - Step 2: Convert to fraction form
2,967,029,609.70/4,450,544,414.55 = 756,235,049.70/x - Step 3: Cross multiply
2,967,029,609.70x = 4,450,544,414.55 × 756,235,049.70 - Step 4: Simplify right side
2,967,029,609.70x = 3,365,657,676,529,276,928 - Step 5: Solve for x
x = 3,365,657,676,529,276,928/2,967,029,609.70 - Step 6: Final answer
x = 1,134,352,574.55
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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.