Finding the Fourth Proportional to 332,178,563.70, 498,267,845.55 and 313,046,687.70
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Solution
The fourth proportional to 332,178,563.70, 498,267,845.55 and 313,046,687.70 is: 469,570,031.55
Step by Step Solution
- Step 1: Write the proportion equation
332,178,563.70 : 498,267,845.55 = 313,046,687.70 : x - Step 2: Convert to fraction form
332,178,563.70/498,267,845.55 = 313,046,687.70/x - Step 3: Cross multiply
332,178,563.70x = 498,267,845.55 × 313,046,687.70 - Step 4: Simplify right side
332,178,563.70x = 155,981,098,636,842,688 - Step 5: Solve for x
x = 155,981,098,636,842,688/332,178,563.70 - Step 6: Final answer
x = 469,570,031.55
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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.