Finding the Fourth Proportional to 408,751,464.26, 563,992,815.93 and 234,877,615.94
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Solution
The fourth proportional to 408,751,464.26, 563,992,815.93 and 234,877,615.94 is: 324,082,724.09
Step by Step Solution
- Step 1: Write the proportion equation
408,751,464.26 : 563,992,815.93 = 234,877,615.94 : x - Step 2: Convert to fraction form
408,751,464.26/563,992,815.93 = 234,877,615.94/x - Step 3: Cross multiply
408,751,464.26x = 563,992,815.93 × 234,877,615.94 - Step 4: Simplify right side
408,751,464.26x = 132,469,288,012,925,648 - Step 5: Solve for x
x = 132,469,288,012,925,648/408,751,464.26 - Step 6: Final answer
x = 324,082,724.09
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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.