Finding the Fourth Proportional to 2,779,925,772.67, 3,836,372,482.59 and 1,635,571,757.62
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Solution
The fourth proportional to 2,779,925,772.67, 3,836,372,482.59 and 1,635,571,757.62 is: 2,257,133,102.59
Step by Step Solution
- Step 1: Write the proportion equation
2,779,925,772.67 : 3,836,372,482.59 = 1,635,571,757.62 : x - Step 2: Convert to fraction form
2,779,925,772.67/3,836,372,482.59 = 1,635,571,757.62/x - Step 3: Cross multiply
2,779,925,772.67x = 3,836,372,482.59 × 1,635,571,757.62 - Step 4: Simplify right side
2,779,925,772.67x = 6,274,662,484,234,729,472 - Step 5: Solve for x
x = 6,274,662,484,234,729,472/2,779,925,772.67 - Step 6: Final answer
x = 2,257,133,102.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.