Finding the Fourth Proportional to 351,234,890.76, 484,703,770.60 and 192,468,885.02
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Solution
The fourth proportional to 351,234,890.76, 484,703,770.60 and 192,468,885.02 is: 265,606,853.84
Step by Step Solution
- Step 1: Write the proportion equation
351,234,890.76 : 484,703,770.60 = 192,468,885.02 : x - Step 2: Convert to fraction form
351,234,890.76/484,703,770.60 = 192,468,885.02/x - Step 3: Cross multiply
351,234,890.76x = 484,703,770.60 × 192,468,885.02 - Step 4: Simplify right side
351,234,890.76x = 93,290,394,292,371,872 - Step 5: Solve for x
x = 93,290,394,292,371,872/351,234,890.76 - Step 6: Final answer
x = 265,606,853.84
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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.