Finding the Fourth Proportional to 2,720,149,230.10, 4,080,223,845.15 and 996,639,265.30
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Solution
The fourth proportional to 2,720,149,230.10, 4,080,223,845.15 and 996,639,265.30 is: 1,494,958,897.95
Step by Step Solution
- Step 1: Write the proportion equation
2,720,149,230.10 : 4,080,223,845.15 = 996,639,265.30 : x - Step 2: Convert to fraction form
2,720,149,230.10/4,080,223,845.15 = 996,639,265.30/x - Step 3: Cross multiply
2,720,149,230.10x = 4,080,223,845.15 × 996,639,265.30 - Step 4: Simplify right side
2,720,149,230.10x = 4,066,511,295,289,837,056 - Step 5: Solve for x
x = 4,066,511,295,289,837,056/2,720,149,230.10 - Step 6: Final answer
x = 1,494,958,897.95
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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.