Finding the Fourth Proportional to 325,887,657.66, 449,733,490.86 and 177,217,473.90
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Solution
The fourth proportional to 325,887,657.66, 449,733,490.86 and 177,217,473.90 is: 244,564,748.94
Step by Step Solution
- Step 1: Write the proportion equation
325,887,657.66 : 449,733,490.86 = 177,217,473.90 : x - Step 2: Convert to fraction form
325,887,657.66/449,733,490.86 = 177,217,473.90/x - Step 3: Cross multiply
325,887,657.66x = 449,733,490.86 × 177,217,473.90 - Step 4: Simplify right side
325,887,657.66x = 79,700,633,178,437,936 - Step 5: Solve for x
x = 79,700,633,178,437,936/325,887,657.66 - Step 6: Final answer
x = 244,564,748.94
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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.