Finding the Fourth Proportional to 220,302,457,604.96, 330,521,126,828.62 and 112,812,835,464.45
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Solution
The fourth proportional to 220,302,457,604.96, 330,521,126,828.62 and 112,812,835,464.45 is: 169,253,788,195.61
Step by Step Solution
- Step 1: Write the proportion equation
220,302,457,604.96 : 330,521,126,828.62 = 112,812,835,464.45 : x - Step 2: Convert to fraction form
220,302,457,604.96/330,521,126,828.62 = 112,812,835,464.45/x - Step 3: Cross multiply
220,302,457,604.96x = 330,521,126,828.62 × 112,812,835,464.45 - Step 4: Simplify right side
220,302,457,604.96x = 37,287,025,498,441,715,286,016 - Step 5: Solve for x
x = 37,287,025,498,441,715,286,016/220,302,457,604.96 - Step 6: Final answer
x = 169,253,788,195.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.