Finding the Fourth Proportional to 316,244,603.05, 436,393,724.21 and 192,471,600.49
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Solution
The fourth proportional to 316,244,603.05, 436,393,724.21 and 192,471,600.49 is: 265,596,306.57
Step by Step Solution
- Step 1: Write the proportion equation
316,244,603.05 : 436,393,724.21 = 192,471,600.49 : x - Step 2: Convert to fraction form
316,244,603.05/436,393,724.21 = 192,471,600.49/x - Step 3: Cross multiply
316,244,603.05x = 436,393,724.21 × 192,471,600.49 - Step 4: Simplify right side
316,244,603.05x = 83,993,398,541,158,800 - Step 5: Solve for x
x = 83,993,398,541,158,800/316,244,603.05 - Step 6: Final answer
x = 265,596,306.57
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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.