Finding the Fourth Proportional to 273,265,581.40, 409,898,372.10 and 246,906,107.80
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Solution
The fourth proportional to 273,265,581.40, 409,898,372.10 and 246,906,107.80 is: 370,359,161.70
Step by Step Solution
- Step 1: Write the proportion equation
273,265,581.40 : 409,898,372.10 = 246,906,107.80 : x - Step 2: Convert to fraction form
273,265,581.40/409,898,372.10 = 246,906,107.80/x - Step 3: Cross multiply
273,265,581.40x = 409,898,372.10 × 246,906,107.80 - Step 4: Simplify right side
273,265,581.40x = 101,206,411,648,767,120 - Step 5: Solve for x
x = 101,206,411,648,767,120/273,265,581.40 - Step 6: Final answer
x = 370,359,161.70
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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.