Finding the Fourth Proportional to 325,887,640.97, 449,733,467.97 and 177,217,457.20
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Solution
The fourth proportional to 325,887,640.97, 449,733,467.97 and 177,217,457.20 is: 244,564,725.97
Step by Step Solution
- Step 1: Write the proportion equation
325,887,640.97 : 449,733,467.97 = 177,217,457.20 : x - Step 2: Convert to fraction form
325,887,640.97/449,733,467.97 = 177,217,457.20/x - Step 3: Cross multiply
325,887,640.97x = 449,733,467.97 × 177,217,457.20 - Step 4: Simplify right side
325,887,640.97x = 79,700,621,611,381,040 - Step 5: Solve for x
x = 79,700,621,611,381,040/325,887,640.97 - Step 6: Final answer
x = 244,564,725.97
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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.