Finding the Fourth Proportional to 3,890,901,128.38, 5,836,956,354.32 and 1,306,576,766.14
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Solution
The fourth proportional to 3,890,901,128.38, 5,836,956,354.32 and 1,306,576,766.14 is: 1,960,068,196.52
Step by Step Solution
- Step 1: Write the proportion equation
3,890,901,128.38 : 5,836,956,354.32 = 1,306,576,766.14 : x - Step 2: Convert to fraction form
3,890,901,128.38/5,836,956,354.32 = 1,306,576,766.14/x - Step 3: Cross multiply
3,890,901,128.38x = 5,836,956,354.32 × 1,306,576,766.14 - Step 4: Simplify right side
3,890,901,128.38x = 7,626,431,557,527,749,632 - Step 5: Solve for x
x = 7,626,431,557,527,749,632/3,890,901,128.38 - Step 6: Final answer
x = 1,960,068,196.52
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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.