Finding the Fourth Proportional to 522,394,913.26, 783,350,228.89 and 194,782,462.20
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Solution
The fourth proportional to 522,394,913.26, 783,350,228.89 and 194,782,462.20 is: 292,083,407.54
Step by Step Solution
- Step 1: Write the proportion equation
522,394,913.26 : 783,350,228.89 = 194,782,462.20 : x - Step 2: Convert to fraction form
522,394,913.26/783,350,228.89 = 194,782,462.20/x - Step 3: Cross multiply
522,394,913.26x = 783,350,228.89 × 194,782,462.20 - Step 4: Simplify right side
522,394,913.26x = 152,582,886,347,640,832 - Step 5: Solve for x
x = 152,582,886,347,640,832/522,394,913.26 - Step 6: Final answer
x = 292,083,407.54
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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.