Finding the Fourth Proportional to 352,294,234.20, 528,441,351.30 and 255,044,467.80
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Solution
The fourth proportional to 352,294,234.20, 528,441,351.30 and 255,044,467.80 is: 382,566,701.70
Step by Step Solution
- Step 1: Write the proportion equation
352,294,234.20 : 528,441,351.30 = 255,044,467.80 : x - Step 2: Convert to fraction form
352,294,234.20/528,441,351.30 = 255,044,467.80/x - Step 3: Cross multiply
352,294,234.20x = 528,441,351.30 × 255,044,467.80 - Step 4: Simplify right side
352,294,234.20x = 134,776,043,205,821,344 - Step 5: Solve for x
x = 134,776,043,205,821,344/352,294,234.20 - Step 6: Final answer
x = 382,566,701.70
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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.