Finding the Fourth Proportional to 397,440,163.20, 596,160,244.80 and 333,950,678.40
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Solution
The fourth proportional to 397,440,163.20, 596,160,244.80 and 333,950,678.40 is: 500,926,017.60
Step by Step Solution
- Step 1: Write the proportion equation
397,440,163.20 : 596,160,244.80 = 333,950,678.40 : x - Step 2: Convert to fraction form
397,440,163.20/596,160,244.80 = 333,950,678.40/x - Step 3: Cross multiply
397,440,163.20x = 596,160,244.80 × 333,950,678.40 - Step 4: Simplify right side
397,440,163.20x = 199,088,118,186,070,048 - Step 5: Solve for x
x = 199,088,118,186,070,048/397,440,163.20 - Step 6: Final answer
x = 500,926,017.60
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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.