Finding the Fourth Proportional to 207,628,511.40, 311,442,767.10 and 204,400,007.33
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Solution
The fourth proportional to 207,628,511.40, 311,442,767.10 and 204,400,007.33 is: 306,600,010.99
Step by Step Solution
- Step 1: Write the proportion equation
207,628,511.40 : 311,442,767.10 = 204,400,007.33 : x - Step 2: Convert to fraction form
207,628,511.40/311,442,767.10 = 204,400,007.33/x - Step 3: Cross multiply
207,628,511.40x = 311,442,767.10 × 204,400,007.33 - Step 4: Simplify right side
207,628,511.40x = 63,658,903,876,558,272 - Step 5: Solve for x
x = 63,658,903,876,558,272/207,628,511.40 - Step 6: Final answer
x = 306,600,010.99
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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.