Finding the Fourth Proportional to 325,967,747.77, 449,952,497.67 and 193,808,427.63
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Solution
The fourth proportional to 325,967,747.77, 449,952,497.67 and 193,808,427.63 is: 267,525,197.44
Step by Step Solution
- Step 1: Write the proportion equation
325,967,747.77 : 449,952,497.67 = 193,808,427.63 : x - Step 2: Convert to fraction form
325,967,747.77/449,952,497.67 = 193,808,427.63/x - Step 3: Cross multiply
325,967,747.77x = 449,952,497.67 × 193,808,427.63 - Step 4: Simplify right side
325,967,747.77x = 87,204,586,081,613,936 - Step 5: Solve for x
x = 87,204,586,081,613,936/325,967,747.77 - Step 6: Final answer
x = 267,525,197.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.