Finding the Fourth Proportional to 946,524,586.42, 1,419,815,803.97 and 324,731,096.28
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Solution
The fourth proportional to 946,524,586.42, 1,419,815,803.97 and 324,731,096.28 is: 487,106,567.70
Step by Step Solution
- Step 1: Write the proportion equation
946,524,586.42 : 1,419,815,803.97 = 324,731,096.28 : x - Step 2: Convert to fraction form
946,524,586.42/1,419,815,803.97 = 324,731,096.28/x - Step 3: Cross multiply
946,524,586.42x = 1,419,815,803.97 × 324,731,096.28 - Step 4: Simplify right side
946,524,586.42x = 461,058,342,539,659,520 - Step 5: Solve for x
x = 461,058,342,539,659,520/946,524,586.42 - Step 6: Final answer
x = 487,106,567.70
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Double scale
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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.