Finding the Fourth Proportional to 332,288,557.80, 498,432,836.70 and 188,961,325.80
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Solution
The fourth proportional to 332,288,557.80, 498,432,836.70 and 188,961,325.80 is: 283,441,988.70
Step by Step Solution
- Step 1: Write the proportion equation
332,288,557.80 : 498,432,836.70 = 188,961,325.80 : x - Step 2: Convert to fraction form
332,288,557.80/498,432,836.70 = 188,961,325.80/x - Step 3: Cross multiply
332,288,557.80x = 498,432,836.70 × 188,961,325.80 - Step 4: Simplify right side
332,288,557.80x = 94,184,529,645,086,896 - Step 5: Solve for x
x = 94,184,529,645,086,896/332,288,557.80 - Step 6: Final answer
x = 283,441,988.70
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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.