Finding the Fourth Proportional to 591,481,152.05, 816,189,212.84 and 327,157,456.14
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Solution
The fourth proportional to 591,481,152.05, 816,189,212.84 and 327,157,456.14 is: 451,446,991.47
Step by Step Solution
- Step 1: Write the proportion equation
591,481,152.05 : 816,189,212.84 = 327,157,456.14 : x - Step 2: Convert to fraction form
591,481,152.05/816,189,212.84 = 327,157,456.14/x - Step 3: Cross multiply
591,481,152.05x = 816,189,212.84 × 327,157,456.14 - Step 4: Simplify right side
591,481,152.05x = 267,022,386,600,007,648 - Step 5: Solve for x
x = 267,022,386,600,007,648/591,481,152.05 - Step 6: Final answer
x = 451,446,991.47
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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.