Finding the Fourth Proportional to 3,621,672,207.70, 5,432,508,311.55 and 1,036,743,183.70
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Solution
The fourth proportional to 3,621,672,207.70, 5,432,508,311.55 and 1,036,743,183.70 is: 1,555,114,775.55
Step by Step Solution
- Step 1: Write the proportion equation
3,621,672,207.70 : 5,432,508,311.55 = 1,036,743,183.70 : x - Step 2: Convert to fraction form
3,621,672,207.70/5,432,508,311.55 = 1,036,743,183.70/x - Step 3: Cross multiply
3,621,672,207.70x = 5,432,508,311.55 × 1,036,743,183.70 - Step 4: Simplify right side
3,621,672,207.70x = 5,632,115,962,393,059,328 - Step 5: Solve for x
x = 5,632,115,962,393,059,328/3,621,672,207.70 - Step 6: Final answer
x = 1,555,114,775.55
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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.