Finding the Fourth Proportional to 782,641,793.92, 1,080,059,092.08 and 430,232,638
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Solution
The fourth proportional to 782,641,793.92, 1,080,059,092.08 and 430,232,638 is: 593,728,415.72
Step by Step Solution
- Step 1: Write the proportion equation
782,641,793.92 : 1,080,059,092.08 = 430,232,638 : x - Step 2: Convert to fraction form
782,641,793.92/1,080,059,092.08 = 430,232,638/x - Step 3: Cross multiply
782,641,793.92x = 1,080,059,092.08 × 430,232,638 - Step 4: Simplify right side
782,641,793.92x = 464,676,672,381,463,296 - Step 5: Solve for x
x = 464,676,672,381,463,296/782,641,793.92 - Step 6: Final answer
x = 593,728,415.72
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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.