Finding the Fourth Proportional to 398,663,121.60, 597,350,829.60 and 225,625,348.80
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Solution
The fourth proportional to 398,663,121.60, 597,350,829.60 and 225,625,348.80 is: 338,073,631.55
Step by Step Solution
- Step 1: Write the proportion equation
398,663,121.60 : 597,350,829.60 = 225,625,348.80 : x - Step 2: Convert to fraction form
398,663,121.60/597,350,829.60 = 225,625,348.80/x - Step 3: Cross multiply
398,663,121.60x = 597,350,829.60 × 225,625,348.80 - Step 4: Simplify right side
398,663,121.60x = 134,777,489,284,469,376 - Step 5: Solve for x
x = 134,777,489,284,469,376/398,663,121.60 - Step 6: Final answer
x = 338,073,631.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.