Finding the Fourth Proportional to 272,097,793,233.20, 408,146,689,849.80 and 245,649,887,850.80
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Solution
The fourth proportional to 272,097,793,233.20, 408,146,689,849.80 and 245,649,887,850.80 is: 368,474,831,776.20
Step by Step Solution
- Step 1: Write the proportion equation
272,097,793,233.20 : 408,146,689,849.80 = 245,649,887,850.80 : x - Step 2: Convert to fraction form
272,097,793,233.20/408,146,689,849.80 = 245,649,887,850.80/x - Step 3: Cross multiply
272,097,793,233.20x = 408,146,689,849.80 × 245,649,887,850.80 - Step 4: Simplify right side
272,097,793,233.20x = 100,261,188,588,278,613,278,720 - Step 5: Solve for x
x = 100,261,188,588,278,613,278,720/272,097,793,233.20 - Step 6: Final answer
x = 368,474,831,776.20
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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.