Finding the Fourth Proportional to 3,823,039,350.75, 5,276,527,129.65 and 2,152,288,492.54
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Solution
The fourth proportional to 3,823,039,350.75, 5,276,527,129.65 and 2,152,288,492.54 is: 2,970,570,684.68
Step by Step Solution
- Step 1: Write the proportion equation
3,823,039,350.75 : 5,276,527,129.65 = 2,152,288,492.54 : x - Step 2: Convert to fraction form
3,823,039,350.75/5,276,527,129.65 = 2,152,288,492.54/x - Step 3: Cross multiply
3,823,039,350.75x = 5,276,527,129.65 × 2,152,288,492.54 - Step 4: Simplify right side
3,823,039,350.75x = 11,356,608,621,720,811,520 - Step 5: Solve for x
x = 11,356,608,621,720,811,520/3,823,039,350.75 - Step 6: Final answer
x = 2,970,570,684.68
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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.