Finding the Fourth Proportional to 816,508,171.14, 1,224,769,344.75 and 263,810,658.65
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Solution
The fourth proportional to 816,508,171.14, 1,224,769,344.75 and 263,810,658.65 is: 395,718,278.09
Step by Step Solution
- Step 1: Write the proportion equation
816,508,171.14 : 1,224,769,344.75 = 263,810,658.65 : x - Step 2: Convert to fraction form
816,508,171.14/1,224,769,344.75 = 263,810,658.65/x - Step 3: Cross multiply
816,508,171.14x = 1,224,769,344.75 × 263,810,658.65 - Step 4: Simplify right side
816,508,171.14x = 323,107,207,526,702,592 - Step 5: Solve for x
x = 323,107,207,526,702,592/816,508,171.14 - Step 6: Final answer
x = 395,718,278.09
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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.