Finding the Fourth Proportional to 522,398,584.44, 720,888,432.57 and 284,244,749.19
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Solution
The fourth proportional to 522,398,584.44, 720,888,432.57 and 284,244,749.19 is: 392,245,993.41
Step by Step Solution
- Step 1: Write the proportion equation
522,398,584.44 : 720,888,432.57 = 284,244,749.19 : x - Step 2: Convert to fraction form
522,398,584.44/720,888,432.57 = 284,244,749.19/x - Step 3: Cross multiply
522,398,584.44x = 720,888,432.57 × 284,244,749.19 - Step 4: Simplify right side
522,398,584.44x = 204,908,751,709,831,904 - Step 5: Solve for x
x = 204,908,751,709,831,904/522,398,584.44 - Step 6: Final answer
x = 392,245,993.41
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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.