Finding the Fourth Proportional to 267,586,277.80, 401,379,416.70 and 199,561,829.80
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Solution
The fourth proportional to 267,586,277.80, 401,379,416.70 and 199,561,829.80 is: 299,342,744.70
Step by Step Solution
- Step 1: Write the proportion equation
267,586,277.80 : 401,379,416.70 = 199,561,829.80 : x - Step 2: Convert to fraction form
267,586,277.80/401,379,416.70 = 199,561,829.80/x - Step 3: Cross multiply
267,586,277.80x = 401,379,416.70 × 199,561,829.80 - Step 4: Simplify right side
267,586,277.80x = 80,100,010,840,708,688 - Step 5: Solve for x
x = 80,100,010,840,708,688/267,586,277.80 - Step 6: Final answer
x = 299,342,744.70
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Similar ratio
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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.