Finding the Fourth Proportional to 3,669,786,138.23, 5,504,679,207.35 and 3,669,786,138.23
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Solution
The fourth proportional to 3,669,786,138.23, 5,504,679,207.35 and 3,669,786,138.23 is: 5,504,679,207.35
Step by Step Solution
- Step 1: Write the proportion equation
3,669,786,138.23 : 5,504,679,207.35 = 3,669,786,138.23 : x - Step 2: Convert to fraction form
3,669,786,138.23/5,504,679,207.35 = 3,669,786,138.23/x - Step 3: Cross multiply
3,669,786,138.23x = 5,504,679,207.35 × 3,669,786,138.23 - Step 4: Simplify right side
3,669,786,138.23x = 20,200,995,450,535,936,000 - Step 5: Solve for x
x = 20,200,995,450,535,936,000/3,669,786,138.23 - Step 6: Final answer
x = 5,504,679,207.35
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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.