Finding the Fourth Proportional to 295,253,516.70, 442,880,275.05 and 281,816,588.70
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Solution
The fourth proportional to 295,253,516.70, 442,880,275.05 and 281,816,588.70 is: 422,724,883.05
Step by Step Solution
- Step 1: Write the proportion equation
295,253,516.70 : 442,880,275.05 = 281,816,588.70 : x - Step 2: Convert to fraction form
295,253,516.70/442,880,275.05 = 281,816,588.70/x - Step 3: Cross multiply
295,253,516.70x = 442,880,275.05 × 281,816,588.70 - Step 4: Simplify right side
295,253,516.70x = 124,811,008,317,108,720 - Step 5: Solve for x
x = 124,811,008,317,108,720/295,253,516.70 - Step 6: Final answer
x = 422,724,883.05
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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.