Finding the Fourth Proportional to 244,958,511.70, 367,059,853.95 and 212,457,942.10
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Solution
The fourth proportional to 244,958,511.70, 367,059,853.95 and 212,457,942.10 is: 318,359,140.32
Step by Step Solution
- Step 1: Write the proportion equation
244,958,511.70 : 367,059,853.95 = 212,457,942.10 : x - Step 2: Convert to fraction form
244,958,511.70/367,059,853.95 = 212,457,942.10/x - Step 3: Cross multiply
244,958,511.70x = 367,059,853.95 × 212,457,942.10 - Step 4: Simplify right side
244,958,511.70x = 77,984,781,197,743,552 - Step 5: Solve for x
x = 77,984,781,197,743,552/244,958,511.70 - Step 6: Final answer
x = 318,359,140.32
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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.