Finding the Fourth Proportional to 326,289,240.36, 450,284,896.78 and 177,614,634.80
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Solution
The fourth proportional to 326,289,240.36, 450,284,896.78 and 177,614,634.80 is: 245,111,323.35
Step by Step Solution
- Step 1: Write the proportion equation
326,289,240.36 : 450,284,896.78 = 177,614,634.80 : x - Step 2: Convert to fraction form
326,289,240.36/450,284,896.78 = 177,614,634.80/x - Step 3: Cross multiply
326,289,240.36x = 450,284,896.78 × 177,614,634.80 - Step 4: Simplify right side
326,289,240.36x = 79,977,187,498,217,072 - Step 5: Solve for x
x = 79,977,187,498,217,072/326,289,240.36 - Step 6: Final answer
x = 245,111,323.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.