Finding the Fourth Proportional to 280,193,246.70, 419,534,042.85 and 280,193,246.70
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Solution
The fourth proportional to 280,193,246.70, 419,534,042.85 and 280,193,246.70 is: 419,534,042.85
Step by Step Solution
- Step 1: Write the proportion equation
280,193,246.70 : 419,534,042.85 = 280,193,246.70 : x - Step 2: Convert to fraction form
280,193,246.70/419,534,042.85 = 280,193,246.70/x - Step 3: Cross multiply
280,193,246.70x = 419,534,042.85 × 280,193,246.70 - Step 4: Simplify right side
280,193,246.70x = 117,550,605,567,318,416 - Step 5: Solve for x
x = 117,550,605,567,318,416/280,193,246.70 - Step 6: Final answer
x = 419,534,042.85
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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.