Finding the Fourth Proportional to 325,720,261.03, 449,344,159.46 and 288,588,412.75
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Solution
The fourth proportional to 325,720,261.03, 449,344,159.46 and 288,588,412.75 is: 398,119,286.00
Step by Step Solution
- Step 1: Write the proportion equation
325,720,261.03 : 449,344,159.46 = 288,588,412.75 : x - Step 2: Convert to fraction form
325,720,261.03/449,344,159.46 = 288,588,412.75/x - Step 3: Cross multiply
325,720,261.03x = 449,344,159.46 × 288,588,412.75 - Step 4: Simplify right side
325,720,261.03x = 129,675,517,754,797,568 - Step 5: Solve for x
x = 129,675,517,754,797,568/325,720,261.03 - Step 6: Final answer
x = 398,119,286.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.