Finding the Fourth Proportional to 7,558,532,942.80, 11,337,799,414.20 and 2,038,348,987.60
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Solution
The fourth proportional to 7,558,532,942.80, 11,337,799,414.20 and 2,038,348,987.60 is: 3,057,523,481.40
Step by Step Solution
- Step 1: Write the proportion equation
7,558,532,942.80 : 11,337,799,414.20 = 2,038,348,987.60 : x - Step 2: Convert to fraction form
7,558,532,942.80/11,337,799,414.20 = 2,038,348,987.60/x - Step 3: Cross multiply
7,558,532,942.80x = 11,337,799,414.20 × 2,038,348,987.60 - Step 4: Simplify right side
7,558,532,942.80x = 23,110,391,957,546,442,752 - Step 5: Solve for x
x = 23,110,391,957,546,442,752/7,558,532,942.80 - Step 6: Final answer
x = 3,057,523,481.40
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1.5x scale
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.