Finding the Fourth Proportional to 326,606,458.91, 450,716,124.16 and 177,928,801.74
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Solution
The fourth proportional to 326,606,458.91, 450,716,124.16 and 177,928,801.74 is: 245,541,316.50
Step by Step Solution
- Step 1: Write the proportion equation
326,606,458.91 : 450,716,124.16 = 177,928,801.74 : x - Step 2: Convert to fraction form
326,606,458.91/450,716,124.16 = 177,928,801.74/x - Step 3: Cross multiply
326,606,458.91x = 450,716,124.16 × 177,928,801.74 - Step 4: Simplify right side
326,606,458.91x = 80,195,379,896,685,872 - Step 5: Solve for x
x = 80,195,379,896,685,872/326,606,458.91 - Step 6: Final answer
x = 245,541,316.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.