Finding the Fourth Proportional to 481,202,656.97, 721,688,413.37 and 222,168,996.95
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Solution
The fourth proportional to 481,202,656.97, 721,688,413.37 and 222,168,996.95 is: 333,200,136.33
Step by Step Solution
- Step 1: Write the proportion equation
481,202,656.97 : 721,688,413.37 = 222,168,996.95 : x - Step 2: Convert to fraction form
481,202,656.97/721,688,413.37 = 222,168,996.95/x - Step 3: Cross multiply
481,202,656.97x = 721,688,413.37 × 222,168,996.95 - Step 4: Simplify right side
481,202,656.97x = 160,336,790,904,130,592 - Step 5: Solve for x
x = 160,336,790,904,130,592/481,202,656.97 - Step 6: Final answer
x = 333,200,136.33
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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.