Finding the Fourth Proportional to 4,125,188,571.72, 6,187,988,086.47 and 1,177,905,490.44
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Solution
The fourth proportional to 4,125,188,571.72, 6,187,988,086.47 and 1,177,905,490.44 is: 1,766,916,836.67
Step by Step Solution
- Step 1: Write the proportion equation
4,125,188,571.72 : 6,187,988,086.47 = 1,177,905,490.44 : x - Step 2: Convert to fraction form
4,125,188,571.72/6,187,988,086.47 = 1,177,905,490.44/x - Step 3: Cross multiply
4,125,188,571.72x = 6,187,988,086.47 × 1,177,905,490.44 - Step 4: Simplify right side
4,125,188,571.72x = 7,288,865,141,830,323,200 - Step 5: Solve for x
x = 7,288,865,141,830,323,200/4,125,188,571.72 - Step 6: Final answer
x = 1,766,916,836.67
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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.