Finding the Fourth Proportional to 694,546,226.22, 957,149,190.44 and 681,780,183.03
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Solution
The fourth proportional to 694,546,226.22, 957,149,190.44 and 681,780,183.03 is: 939,556,397.55
Step by Step Solution
- Step 1: Write the proportion equation
694,546,226.22 : 957,149,190.44 = 681,780,183.03 : x - Step 2: Convert to fraction form
694,546,226.22/957,149,190.44 = 681,780,183.03/x - Step 3: Cross multiply
694,546,226.22x = 957,149,190.44 × 681,780,183.03 - Step 4: Simplify right side
694,546,226.22x = 652,565,350,245,902,848 - Step 5: Solve for x
x = 652,565,350,245,902,848/694,546,226.22 - Step 6: Final answer
x = 939,556,397.55
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Double scale
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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.