Finding the Fourth Proportional to 5,259,530,349.44, 7,258,269,372.16 and 3,001,424,918.72
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Solution
The fourth proportional to 5,259,530,349.44, 7,258,269,372.16 and 3,001,424,918.72 is: 4,142,033,435.12
Step by Step Solution
- Step 1: Write the proportion equation
5,259,530,349.44 : 7,258,269,372.16 = 3,001,424,918.72 : x - Step 2: Convert to fraction form
5,259,530,349.44/7,258,269,372.16 = 3,001,424,918.72/x - Step 3: Cross multiply
5,259,530,349.44x = 7,258,269,372.16 × 3,001,424,918.72 - Step 4: Simplify right side
5,259,530,349.44x = 21,785,150,560,383,193,088 - Step 5: Solve for x
x = 21,785,150,560,383,193,088/5,259,530,349.44 - Step 6: Final answer
x = 4,142,033,435.12
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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.