Finding the Fourth Proportional to 341,879,732.42, 471,956,716.17 and 229,043,515.01
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Solution
The fourth proportional to 341,879,732.42, 471,956,716.17 and 229,043,515.01 is: 316,189,042.38
Step by Step Solution
- Step 1: Write the proportion equation
341,879,732.42 : 471,956,716.17 = 229,043,515.01 : x - Step 2: Convert to fraction form
341,879,732.42/471,956,716.17 = 229,043,515.01/x - Step 3: Cross multiply
341,879,732.42x = 471,956,716.17 × 229,043,515.01 - Step 4: Simplify right side
341,879,732.42x = 108,098,625,201,793,920 - Step 5: Solve for x
x = 108,098,625,201,793,920/341,879,732.42 - Step 6: Final answer
x = 316,189,042.38
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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.