Finding the Fourth Proportional to 481,552,234.20, 722,328,351.30 and 346,511,107.80
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Solution
The fourth proportional to 481,552,234.20, 722,328,351.30 and 346,511,107.80 is: 519,766,661.70
Step by Step Solution
- Step 1: Write the proportion equation
481,552,234.20 : 722,328,351.30 = 346,511,107.80 : x - Step 2: Convert to fraction form
481,552,234.20/722,328,351.30 = 346,511,107.80/x - Step 3: Cross multiply
481,552,234.20x = 722,328,351.30 × 346,511,107.80 - Step 4: Simplify right side
481,552,234.20x = 250,294,797,204,310,560 - Step 5: Solve for x
x = 250,294,797,204,310,560/481,552,234.20 - Step 6: Final answer
x = 519,766,661.70
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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.