Finding the Fourth Proportional to 848,761,017.68, 1,171,450,661.64 and 531,368,906.96
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Solution
The fourth proportional to 848,761,017.68, 1,171,450,661.64 and 531,368,906.96 is: 733,389,546.25
Step by Step Solution
- Step 1: Write the proportion equation
848,761,017.68 : 1,171,450,661.64 = 531,368,906.96 : x - Step 2: Convert to fraction form
848,761,017.68/1,171,450,661.64 = 531,368,906.96/x - Step 3: Cross multiply
848,761,017.68x = 1,171,450,661.64 × 531,368,906.96 - Step 4: Simplify right side
848,761,017.68x = 622,472,457,633,215,616 - Step 5: Solve for x
x = 622,472,457,633,215,616/848,761,017.68 - Step 6: Final answer
x = 733,389,546.25
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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.