Finding the Fourth Proportional to 332,178,461.70, 498,267,692.55 and 313,046,585.70
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Solution
The fourth proportional to 332,178,461.70, 498,267,692.55 and 313,046,585.70 is: 469,569,878.55
Step by Step Solution
- Step 1: Write the proportion equation
332,178,461.70 : 498,267,692.55 = 313,046,585.70 : x - Step 2: Convert to fraction form
332,178,461.70/498,267,692.55 = 313,046,585.70/x - Step 3: Cross multiply
332,178,461.70x = 498,267,692.55 × 313,046,585.70 - Step 4: Simplify right side
332,178,461.70x = 155,980,999,917,394,816 - Step 5: Solve for x
x = 155,980,999,917,394,816/332,178,461.70 - Step 6: Final answer
x = 469,569,878.55
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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.