Finding the Fourth Proportional to 3,012,086,132.10, 4,518,129,198.15 and 2,133,933,023.70
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Solution
The fourth proportional to 3,012,086,132.10, 4,518,129,198.15 and 2,133,933,023.70 is: 3,200,899,535.55
Step by Step Solution
- Step 1: Write the proportion equation
3,012,086,132.10 : 4,518,129,198.15 = 2,133,933,023.70 : x - Step 2: Convert to fraction form
3,012,086,132.10/4,518,129,198.15 = 2,133,933,023.70/x - Step 3: Cross multiply
3,012,086,132.10x = 4,518,129,198.15 × 2,133,933,023.70 - Step 4: Simplify right side
3,012,086,132.10x = 9,641,385,101,275,486,208 - Step 5: Solve for x
x = 9,641,385,101,275,486,208/3,012,086,132.10 - Step 6: Final answer
x = 3,200,899,535.55
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Double scale
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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.