Finding the Fourth Proportional to 167,949,382,793.79, 252,103,350,593.76 and 72,382,564,197.94
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Solution
The fourth proportional to 167,949,382,793.79, 252,103,350,593.76 and 72,382,564,197.94 is: 108,651,110,562.71
Step by Step Solution
- Step 1: Write the proportion equation
167,949,382,793.79 : 252,103,350,593.76 = 72,382,564,197.94 : x - Step 2: Convert to fraction form
167,949,382,793.79/252,103,350,593.76 = 72,382,564,197.94/x - Step 3: Cross multiply
167,949,382,793.79x = 252,103,350,593.76 × 72,382,564,197.94 - Step 4: Simplify right side
167,949,382,793.79x = 18,247,886,958,867,347,668,992 - Step 5: Solve for x
x = 18,247,886,958,867,347,668,992/167,949,382,793.79 - Step 6: Final answer
x = 108,651,110,562.71
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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.