Finding the Fourth Proportional to 481,872,344.30, 665,187,243.68 and 325,451,322.03
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Solution
The fourth proportional to 481,872,344.30, 665,187,243.68 and 325,451,322.03 is: 449,260,204.32
Step by Step Solution
- Step 1: Write the proportion equation
481,872,344.30 : 665,187,243.68 = 325,451,322.03 : x - Step 2: Convert to fraction form
481,872,344.30/665,187,243.68 = 325,451,322.03/x - Step 3: Cross multiply
481,872,344.30x = 665,187,243.68 × 325,451,322.03 - Step 4: Simplify right side
481,872,344.30x = 216,486,067,853,961,376 - Step 5: Solve for x
x = 216,486,067,853,961,376/481,872,344.30 - Step 6: Final answer
x = 449,260,204.32
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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.