Finding the Fourth Proportional to 2,661,247,382.12, 3,672,372,880.50 and 1,455,350,661.08
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Solution
The fourth proportional to 2,661,247,382.12, 3,672,372,880.50 and 1,455,350,661.08 is: 2,008,302,698.68
Step by Step Solution
- Step 1: Write the proportion equation
2,661,247,382.12 : 3,672,372,880.50 = 1,455,350,661.08 : x - Step 2: Convert to fraction form
2,661,247,382.12/3,672,372,880.50 = 1,455,350,661.08/x - Step 3: Cross multiply
2,661,247,382.12x = 3,672,372,880.50 × 1,455,350,661.08 - Step 4: Simplify right side
2,661,247,382.12x = 5,344,590,299,367,939,072 - Step 5: Solve for x
x = 5,344,590,299,367,939,072/2,661,247,382.12 - Step 6: Final answer
x = 2,008,302,698.68
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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.