Finding the Fourth Proportional to 266,327,999.40, 399,491,999.10 and 193,201,717.80
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Solution
The fourth proportional to 266,327,999.40, 399,491,999.10 and 193,201,717.80 is: 289,802,576.70
Step by Step Solution
- Step 1: Write the proportion equation
266,327,999.40 : 399,491,999.10 = 193,201,717.80 : x - Step 2: Convert to fraction form
266,327,999.40/399,491,999.10 = 193,201,717.80/x - Step 3: Cross multiply
266,327,999.40x = 399,491,999.10 × 193,201,717.80 - Step 4: Simplify right side
266,327,999.40x = 77,182,540,473,476,064 - Step 5: Solve for x
x = 77,182,540,473,476,064/266,327,999.40 - Step 6: Final answer
x = 289,802,576.70
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1.5x scale
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.