Finding the Fourth Proportional to 317,052,023.20, 475,578,034.80 and 276,741,239.20
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Solution
The fourth proportional to 317,052,023.20, 475,578,034.80 and 276,741,239.20 is: 415,111,858.80
Step by Step Solution
- Step 1: Write the proportion equation
317,052,023.20 : 475,578,034.80 = 276,741,239.20 : x - Step 2: Convert to fraction form
317,052,023.20/475,578,034.80 = 276,741,239.20/x - Step 3: Cross multiply
317,052,023.20x = 475,578,034.80 × 276,741,239.20 - Step 4: Simplify right side
317,052,023.20x = 131,612,054,686,852,720 - Step 5: Solve for x
x = 131,612,054,686,852,720/317,052,023.20 - Step 6: Final answer
x = 415,111,858.80
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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.