Finding the Fourth Proportional to 326,092,637.08, 449,836,321.80 and 193,839,563.08
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Solution
The fourth proportional to 326,092,637.08, 449,836,321.80 and 193,839,563.08 is: 267,396,641.81
Step by Step Solution
- Step 1: Write the proportion equation
326,092,637.08 : 449,836,321.80 = 193,839,563.08 : x - Step 2: Convert to fraction form
326,092,637.08/449,836,321.80 = 193,839,563.08/x - Step 3: Cross multiply
326,092,637.08x = 449,836,321.80 × 193,839,563.08 - Step 4: Simplify right side
326,092,637.08x = 87,196,076,075,226,288 - Step 5: Solve for x
x = 87,196,076,075,226,288/326,092,637.08 - Step 6: Final answer
x = 267,396,641.81
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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.