Finding the Fourth Proportional to 2,215,115,184.24, 3,056,519,396.16 and 1,275,136,194.96
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Solution
The fourth proportional to 2,215,115,184.24, 3,056,519,396.16 and 1,275,136,194.96 is: 1,759,492,481.64
Step by Step Solution
- Step 1: Write the proportion equation
2,215,115,184.24 : 3,056,519,396.16 = 1,275,136,194.96 : x - Step 2: Convert to fraction form
2,215,115,184.24/3,056,519,396.16 = 1,275,136,194.96/x - Step 3: Cross multiply
2,215,115,184.24x = 3,056,519,396.16 × 1,275,136,194.96 - Step 4: Simplify right side
2,215,115,184.24x = 3,897,478,512,640,899,072 - Step 5: Solve for x
x = 3,897,478,512,640,899,072/2,215,115,184.24 - Step 6: Final answer
x = 1,759,492,481.64
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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.