Finding the Fourth Proportional to 5,761,603,074.24, 7,951,020,310.44 and 3,121,404,186.24
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Solution
The fourth proportional to 5,761,603,074.24, 7,951,020,310.44 and 3,121,404,186.24 is: 4,307,542,147.92
Step by Step Solution
- Step 1: Write the proportion equation
5,761,603,074.24 : 7,951,020,310.44 = 3,121,404,186.24 : x - Step 2: Convert to fraction form
5,761,603,074.24/7,951,020,310.44 = 3,121,404,186.24/x - Step 3: Cross multiply
5,761,603,074.24x = 7,951,020,310.44 × 3,121,404,186.24 - Step 4: Simplify right side
5,761,603,074.24x = 24,818,348,081,886,679,040 - Step 5: Solve for x
x = 24,818,348,081,886,679,040/5,761,603,074.24 - Step 6: Final answer
x = 4,307,542,147.92
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1.5x scale
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.