Finding the Fourth Proportional to 263,565,073.05, 395,347,609.58 and 195,540,625.05
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Solution
The fourth proportional to 263,565,073.05, 395,347,609.58 and 195,540,625.05 is: 293,310,937.58
Step by Step Solution
- Step 1: Write the proportion equation
263,565,073.05 : 395,347,609.58 = 195,540,625.05 : x - Step 2: Convert to fraction form
263,565,073.05/395,347,609.58 = 195,540,625.05/x - Step 3: Cross multiply
263,565,073.05x = 395,347,609.58 × 195,540,625.05 - Step 4: Simplify right side
263,565,073.05x = 77,306,518,688,318,864 - Step 5: Solve for x
x = 77,306,518,688,318,864/263,565,073.05 - Step 6: Final answer
x = 293,310,937.58
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1.5x scale
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.