Finding the Fourth Proportional to 3,759,219,661.14, 5,187,419,471.97 and 2,173,413,833.46
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Solution
The fourth proportional to 3,759,219,661.14, 5,187,419,471.97 and 2,173,413,833.46 is: 2,999,135,527.22
Step by Step Solution
- Step 1: Write the proportion equation
3,759,219,661.14 : 5,187,419,471.97 = 2,173,413,833.46 : x - Step 2: Convert to fraction form
3,759,219,661.14/5,187,419,471.97 = 2,173,413,833.46/x - Step 3: Cross multiply
3,759,219,661.14x = 5,187,419,471.97 × 2,173,413,833.46 - Step 4: Simplify right side
3,759,219,661.14x = 11,274,409,240,339,367,936 - Step 5: Solve for x
x = 11,274,409,240,339,367,936/3,759,219,661.14 - Step 6: Final answer
x = 2,999,135,527.22
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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.