Finding the Fourth Proportional to 5,215,337,972.09, 7,823,055,382.76 and 1,484,629,233.20
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Solution
The fourth proportional to 5,215,337,972.09, 7,823,055,382.76 and 1,484,629,233.20 is: 2,226,957,634.64
Step by Step Solution
- Step 1: Write the proportion equation
5,215,337,972.09 : 7,823,055,382.76 = 1,484,629,233.20 : x - Step 2: Convert to fraction form
5,215,337,972.09/7,823,055,382.76 = 1,484,629,233.20/x - Step 3: Cross multiply
5,215,337,972.09x = 7,823,055,382.76 × 1,484,629,233.20 - Step 4: Simplify right side
5,215,337,972.09x = 11,614,336,714,152,706,048 - Step 5: Solve for x
x = 11,614,336,714,152,706,048/5,215,337,972.09 - Step 6: Final answer
x = 2,226,957,634.64
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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.