Finding the Fourth Proportional to 295,253,467.70, 442,880,201.55 and 281,816,539.70
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Solution
The fourth proportional to 295,253,467.70, 442,880,201.55 and 281,816,539.70 is: 422,724,809.55
Step by Step Solution
- Step 1: Write the proportion equation
295,253,467.70 : 442,880,201.55 = 281,816,539.70 : x - Step 2: Convert to fraction form
295,253,467.70/442,880,201.55 = 281,816,539.70/x - Step 3: Cross multiply
295,253,467.70x = 442,880,201.55 × 281,816,539.70 - Step 4: Simplify right side
295,253,467.70x = 124,810,965,902,459,568 - Step 5: Solve for x
x = 124,810,965,902,459,568/295,253,467.70 - Step 6: Final answer
x = 422,724,809.55
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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.