Finding the Fourth Proportional to 941,234,961.23, 1,412,024,821.73 and 388,235,721.68
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Solution
The fourth proportional to 941,234,961.23, 1,412,024,821.73 and 388,235,721.68 is: 582,424,684.88
Step by Step Solution
- Step 1: Write the proportion equation
941,234,961.23 : 1,412,024,821.73 = 388,235,721.68 : x - Step 2: Convert to fraction form
941,234,961.23/1,412,024,821.73 = 388,235,721.68/x - Step 3: Cross multiply
941,234,961.23x = 1,412,024,821.73 × 388,235,721.68 - Step 4: Simplify right side
941,234,961.23x = 548,198,475,692,478,720 - Step 5: Solve for x
x = 548,198,475,692,478,720/941,234,961.23 - Step 6: Final answer
x = 582,424,684.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.