Finding the Fourth Proportional to 217,816,511.10, 305,169,863.70 and 217,816,511.10
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Solution
The fourth proportional to 217,816,511.10, 305,169,863.70 and 217,816,511.10 is: 305,169,863.70
Step by Step Solution
- Step 1: Write the proportion equation
217,816,511.10 : 305,169,863.70 = 217,816,511.10 : x - Step 2: Convert to fraction form
217,816,511.10/305,169,863.70 = 217,816,511.10/x - Step 3: Cross multiply
217,816,511.10x = 305,169,863.70 × 217,816,511.10 - Step 4: Simplify right side
217,816,511.10x = 66,471,035,003,996,536 - Step 5: Solve for x
x = 66,471,035,003,996,536/217,816,511.10 - Step 6: Final answer
x = 305,169,863.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.