Finding the Fourth Proportional to 227,008,629.10, 340,512,943.65 and 207,637,604.65
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Solution
The fourth proportional to 227,008,629.10, 340,512,943.65 and 207,637,604.65 is: 311,456,406.98
Step by Step Solution
- Step 1: Write the proportion equation
227,008,629.10 : 340,512,943.65 = 207,637,604.65 : x - Step 2: Convert to fraction form
227,008,629.10/340,512,943.65 = 207,637,604.65/x - Step 3: Cross multiply
227,008,629.10x = 340,512,943.65 × 207,637,604.65 - Step 4: Simplify right side
227,008,629.10x = 70,703,291,971,806,424 - Step 5: Solve for x
x = 70,703,291,971,806,424/227,008,629.10 - Step 6: Final answer
x = 311,456,406.98
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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.