Finding the Fourth Proportional to 3,670,928,462.97, 5,065,882,007.85 and 2,000,177,604.09
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Solution
The fourth proportional to 3,670,928,462.97, 5,065,882,007.85 and 2,000,177,604.09 is: 2,760,245,490.83
Step by Step Solution
- Step 1: Write the proportion equation
3,670,928,462.97 : 5,065,882,007.85 = 2,000,177,604.09 : x - Step 2: Convert to fraction form
3,670,928,462.97/5,065,882,007.85 = 2,000,177,604.09/x - Step 3: Cross multiply
3,670,928,462.97x = 5,065,882,007.85 × 2,000,177,604.09 - Step 4: Simplify right side
3,670,928,462.97x = 10,132,663,737,064,052,736 - Step 5: Solve for x
x = 10,132,663,737,064,052,736/3,670,928,462.97 - Step 6: Final answer
x = 2,760,245,490.83
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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.