Finding the Fourth Proportional to 2,414,448,046.15, 3,621,672,069.23 and 861,790,020.55
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Solution
The fourth proportional to 2,414,448,046.15, 3,621,672,069.23 and 861,790,020.55 is: 1,292,685,030.83
Step by Step Solution
- Step 1: Write the proportion equation
2,414,448,046.15 : 3,621,672,069.23 = 861,790,020.55 : x - Step 2: Convert to fraction form
2,414,448,046.15/3,621,672,069.23 = 861,790,020.55/x - Step 3: Cross multiply
2,414,448,046.15x = 3,621,672,069.23 × 861,790,020.55 - Step 4: Simplify right side
2,414,448,046.15x = 3,121,120,846,967,082,496 - Step 5: Solve for x
x = 3,121,120,846,967,082,496/2,414,448,046.15 - Step 6: Final answer
x = 1,292,685,030.83
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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.