Finding the Fourth Proportional to 557,195,775.30, 835,874,375.13 and 207,412,768.98
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Solution
The fourth proportional to 557,195,775.30, 835,874,375.13 and 207,412,768.98 is: 311,149,198.09
Step by Step Solution
- Step 1: Write the proportion equation
557,195,775.30 : 835,874,375.13 = 207,412,768.98 : x - Step 2: Convert to fraction form
557,195,775.30/835,874,375.13 = 207,412,768.98/x - Step 3: Cross multiply
557,195,775.30x = 835,874,375.13 × 207,412,768.98 - Step 4: Simplify right side
557,195,775.30x = 173,371,018,665,140,544 - Step 5: Solve for x
x = 173,371,018,665,140,544/557,195,775.30 - Step 6: Final answer
x = 311,149,198.09
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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.