Finding the Fourth Proportional to 317,292,568.42, 475,960,716.51 and 132,874,362.26
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Solution
The fourth proportional to 317,292,568.42, 475,960,716.51 and 132,874,362.26 is: 199,320,699.45
Step by Step Solution
- Step 1: Write the proportion equation
317,292,568.42 : 475,960,716.51 = 132,874,362.26 : x - Step 2: Convert to fraction form
317,292,568.42/475,960,716.51 = 132,874,362.26/x - Step 3: Cross multiply
317,292,568.42x = 475,960,716.51 × 132,874,362.26 - Step 4: Simplify right side
317,292,568.42x = 63,242,976,667,078,904 - Step 5: Solve for x
x = 63,242,976,667,078,904/317,292,568.42 - Step 6: Final answer
x = 199,320,699.45
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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.