Finding the Fourth Proportional to 295,821,863.94, 408,241,753.74 and 178,354,725.96
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Solution
The fourth proportional to 295,821,863.94, 408,241,753.74 and 178,354,725.96 is: 246,134,092.81
Step by Step Solution
- Step 1: Write the proportion equation
295,821,863.94 : 408,241,753.74 = 178,354,725.96 : x - Step 2: Convert to fraction form
295,821,863.94/408,241,753.74 = 178,354,725.96/x - Step 3: Cross multiply
295,821,863.94x = 408,241,753.74 × 178,354,725.96 - Step 4: Simplify right side
295,821,863.94x = 72,811,846,113,727,504 - Step 5: Solve for x
x = 72,811,846,113,727,504/295,821,863.94 - Step 6: Final answer
x = 246,134,092.81
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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.