Finding the Fourth Proportional to 18,512,752,170,419, 27,750,785,775,748 and 8,693,247,252,501.60
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Solution
The fourth proportional to 18,512,752,170,419, 27,750,785,775,748 and 8,693,247,252,501.60 is: 13,031,257,588,229.34
Step by Step Solution
- Step 1: Write the proportion equation
18,512,752,170,419 : 27,750,785,775,748 = 8,693,247,252,501.60 : x - Step 2: Convert to fraction form
18,512,752,170,419/27,750,785,775,748 = 8,693,247,252,501.60/x - Step 3: Cross multiply
18,512,752,170,419x = 27,750,785,775,748 × 8,693,247,252,501.60 - Step 4: Simplify right side
18,512,752,170,419x = 241,244,442,199,781,761,987,117,056 - Step 5: Solve for x
x = 241,244,442,199,781,761,987,117,056/18,512,752,170,419 - Step 6: Final answer
x = 13,031,257,588,229.34
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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.