Finding the Fourth Proportional to 225,861,770,672.88, 311,694,832,861.82 and 122,984,530,252.99
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Solution
The fourth proportional to 225,861,770,672.88, 311,694,832,861.82 and 122,984,530,252.99 is: 169,721,695,210.27
Step by Step Solution
- Step 1: Write the proportion equation
225,861,770,672.88 : 311,694,832,861.82 = 122,984,530,252.99 : x - Step 2: Convert to fraction form
225,861,770,672.88/311,694,832,861.82 = 122,984,530,252.99/x - Step 3: Cross multiply
225,861,770,672.88x = 311,694,832,861.82 × 122,984,530,252.99 - Step 4: Simplify right side
225,861,770,672.88x = 38,333,642,601,795,162,210,304 - Step 5: Solve for x
x = 38,333,642,601,795,162,210,304/225,861,770,672.88 - Step 6: Final answer
x = 169,721,695,210.27
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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.