Finding the Fourth Proportional to 322,446,524.70, 483,669,787.05 and 192,987,497.10
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Solution
The fourth proportional to 322,446,524.70, 483,669,787.05 and 192,987,497.10 is: 289,481,245.65
Step by Step Solution
- Step 1: Write the proportion equation
322,446,524.70 : 483,669,787.05 = 192,987,497.10 : x - Step 2: Convert to fraction form
322,446,524.70/483,669,787.05 = 192,987,497.10/x - Step 3: Cross multiply
322,446,524.70x = 483,669,787.05 × 192,987,497.10 - Step 4: Simplify right side
322,446,524.70x = 93,342,221,625,669,488 - Step 5: Solve for x
x = 93,342,221,625,669,488/322,446,524.70 - Step 6: Final answer
x = 289,481,245.65
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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.