Finding the Fourth Proportional to 316,244,600.99, 436,393,721.36 and 192,471,598.43
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Solution
The fourth proportional to 316,244,600.99, 436,393,721.36 and 192,471,598.43 is: 265,596,303.72
Step by Step Solution
- Step 1: Write the proportion equation
316,244,600.99 : 436,393,721.36 = 192,471,598.43 : x - Step 2: Convert to fraction form
316,244,600.99/436,393,721.36 = 192,471,598.43/x - Step 3: Cross multiply
316,244,600.99x = 436,393,721.36 × 192,471,598.43 - Step 4: Simplify right side
316,244,600.99x = 83,993,397,093,274,448 - Step 5: Solve for x
x = 83,993,397,093,274,448/316,244,600.99 - Step 6: Final answer
x = 265,596,303.72
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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.