Finding the Fourth Proportional to 324,998,310.79, 448,498,520.58 and 176,319,424.18
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Solution
The fourth proportional to 324,998,310.79, 448,498,520.58 and 176,319,424.18 is: 243,321,267.43
Step by Step Solution
- Step 1: Write the proportion equation
324,998,310.79 : 448,498,520.58 = 176,319,424.18 : x - Step 2: Convert to fraction form
324,998,310.79/448,498,520.58 = 176,319,424.18/x - Step 3: Cross multiply
324,998,310.79x = 448,498,520.58 × 176,319,424.18 - Step 4: Simplify right side
324,998,310.79x = 79,079,000,894,247,472 - Step 5: Solve for x
x = 79,079,000,894,247,472/324,998,310.79 - Step 6: Final answer
x = 243,321,267.43
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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.