Finding the Fourth Proportional to 481,512,640.94, 664,487,540.51 and 293,340,927.92
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Solution
The fourth proportional to 481,512,640.94, 664,487,540.51 and 293,340,927.92 is: 404,810,539.02
Step by Step Solution
- Step 1: Write the proportion equation
481,512,640.94 : 664,487,540.51 = 293,340,927.92 : x - Step 2: Convert to fraction form
481,512,640.94/664,487,540.51 = 293,340,927.92/x - Step 3: Cross multiply
481,512,640.94x = 664,487,540.51 × 293,340,927.92 - Step 4: Simplify right side
481,512,640.94x = 194,921,391,719,692,864 - Step 5: Solve for x
x = 194,921,391,719,692,864/481,512,640.94 - Step 6: Final answer
x = 404,810,539.02
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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.