Finding the Fourth Proportional to 496,368,861.20, 744,553,291.80 and 132,863,217.20
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Solution
The fourth proportional to 496,368,861.20, 744,553,291.80 and 132,863,217.20 is: 199,294,825.80
Step by Step Solution
- Step 1: Write the proportion equation
496,368,861.20 : 744,553,291.80 = 132,863,217.20 : x - Step 2: Convert to fraction form
496,368,861.20/744,553,291.80 = 132,863,217.20/x - Step 3: Cross multiply
496,368,861.20x = 744,553,291.80 × 132,863,217.20 - Step 4: Simplify right side
496,368,861.20x = 98,923,745,725,398,368 - Step 5: Solve for x
x = 98,923,745,725,398,368/496,368,861.20 - Step 6: Final answer
x = 199,294,825.80
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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.