Finding the Fourth Proportional to 317,168,589.60, 476,219,904.96 and 177,382,918.68
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Solution
The fourth proportional to 317,168,589.60, 476,219,904.96 and 177,382,918.68 is: 266,335,568.67
Step by Step Solution
- Step 1: Write the proportion equation
317,168,589.60 : 476,219,904.96 = 177,382,918.68 : x - Step 2: Convert to fraction form
317,168,589.60/476,219,904.96 = 177,382,918.68/x - Step 3: Cross multiply
317,168,589.60x = 476,219,904.96 × 177,382,918.68 - Step 4: Simplify right side
317,168,589.60x = 84,473,276,675,317,008 - Step 5: Solve for x
x = 84,473,276,675,317,008/317,168,589.60 - Step 6: Final answer
x = 266,335,568.67
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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.