Finding the Fourth Proportional to 2,382,055,550.21, 3,287,218,518.14 and 1,310,335,861.61
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Solution
The fourth proportional to 2,382,055,550.21, 3,287,218,518.14 and 1,310,335,861.61 is: 1,808,253,509.82
Step by Step Solution
- Step 1: Write the proportion equation
2,382,055,550.21 : 3,287,218,518.14 = 1,310,335,861.61 : x - Step 2: Convert to fraction form
2,382,055,550.21/3,287,218,518.14 = 1,310,335,861.61/x - Step 3: Cross multiply
2,382,055,550.21x = 3,287,218,518.14 × 1,310,335,861.61 - Step 4: Simplify right side
2,382,055,550.21x = 4,307,360,309,268,990,976 - Step 5: Solve for x
x = 4,307,360,309,268,990,976/2,382,055,550.21 - Step 6: Final answer
x = 1,808,253,509.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.