Finding the Fourth Proportional to 3,315,468,689.93, 4,577,412,027.98 and 2,110,490,078.38
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Solution
The fourth proportional to 3,315,468,689.93, 4,577,412,027.98 and 2,110,490,078.38 is: 2,913,790,951.79
Step by Step Solution
- Step 1: Write the proportion equation
3,315,468,689.93 : 4,577,412,027.98 = 2,110,490,078.38 : x - Step 2: Convert to fraction form
3,315,468,689.93/4,577,412,027.98 = 2,110,490,078.38/x - Step 3: Cross multiply
3,315,468,689.93x = 4,577,412,027.98 × 2,110,490,078.38 - Step 4: Simplify right side
3,315,468,689.93x = 9,660,582,669,675,626,496 - Step 5: Solve for x
x = 9,660,582,669,675,626,496/3,315,468,689.93 - Step 6: Final answer
x = 2,913,790,951.79
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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.