Finding the Fourth Proportional to 352,782,589.68, 486,827,232.95 and 194,011,343.24
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Solution
The fourth proportional to 352,782,589.68, 486,827,232.95 and 194,011,343.24 is: 267,728,646.91
Step by Step Solution
- Step 1: Write the proportion equation
352,782,589.68 : 486,827,232.95 = 194,011,343.24 : x - Step 2: Convert to fraction form
352,782,589.68/486,827,232.95 = 194,011,343.24/x - Step 3: Cross multiply
352,782,589.68x = 486,827,232.95 × 194,011,343.24 - Step 4: Simplify right side
352,782,589.68x = 94,450,005,388,492,784 - Step 5: Solve for x
x = 94,450,005,388,492,784/352,782,589.68 - Step 6: Final answer
x = 267,728,646.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.