Finding the Fourth Proportional to 269,136,234.40, 403,704,351.60 and 221,306,544.40
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Solution
The fourth proportional to 269,136,234.40, 403,704,351.60 and 221,306,544.40 is: 331,959,816.60
Step by Step Solution
- Step 1: Write the proportion equation
269,136,234.40 : 403,704,351.60 = 221,306,544.40 : x - Step 2: Convert to fraction form
269,136,234.40/403,704,351.60 = 221,306,544.40/x - Step 3: Cross multiply
269,136,234.40x = 403,704,351.60 × 221,306,544.40 - Step 4: Simplify right side
269,136,234.40x = 89,342,415,011,838,624 - Step 5: Solve for x
x = 89,342,415,011,838,624/269,136,234.40 - Step 6: Final answer
x = 331,959,816.60
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1.5x scale
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.