Finding the Fourth Proportional to 332,163,756.80, 498,245,635.20 and 193,847,379.20
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Solution
The fourth proportional to 332,163,756.80, 498,245,635.20 and 193,847,379.20 is: 290,771,068.80
Step by Step Solution
- Step 1: Write the proportion equation
332,163,756.80 : 498,245,635.20 = 193,847,379.20 : x - Step 2: Convert to fraction form
332,163,756.80/498,245,635.20 = 193,847,379.20/x - Step 3: Cross multiply
332,163,756.80x = 498,245,635.20 × 193,847,379.20 - Step 4: Simplify right side
332,163,756.80x = 96,583,610,581,359,264 - Step 5: Solve for x
x = 96,583,610,581,359,264/332,163,756.80 - Step 6: Final answer
x = 290,771,068.80
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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.