Finding the Fourth Proportional to 2,568,856,362.36, 3,545,119,229.06 and 1,439,846,992.68
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Solution
The fourth proportional to 2,568,856,362.36, 3,545,119,229.06 and 1,439,846,992.68 is: 1,987,043,470.18
Step by Step Solution
- Step 1: Write the proportion equation
2,568,856,362.36 : 3,545,119,229.06 = 1,439,846,992.68 : x - Step 2: Convert to fraction form
2,568,856,362.36/3,545,119,229.06 = 1,439,846,992.68/x - Step 3: Cross multiply
2,568,856,362.36x = 3,545,119,229.06 × 1,439,846,992.68 - Step 4: Simplify right side
2,568,856,362.36x = 5,104,429,260,654,081,024 - Step 5: Solve for x
x = 5,104,429,260,654,081,024/2,568,856,362.36 - Step 6: Final answer
x = 1,987,043,470.18
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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.