Finding the Fourth Proportional to 326,197,937.21, 489,052,510.92 and 196,775,379.05
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Solution
The fourth proportional to 326,197,937.21, 489,052,510.92 and 196,775,379.05 is: 295,015,639.99
Step by Step Solution
- Step 1: Write the proportion equation
326,197,937.21 : 489,052,510.92 = 196,775,379.05 : x - Step 2: Convert to fraction form
326,197,937.21/489,052,510.92 = 196,775,379.05/x - Step 3: Cross multiply
326,197,937.21x = 489,052,510.92 × 196,775,379.05 - Step 4: Simplify right side
326,197,937.21x = 96,233,493,209,192,000 - Step 5: Solve for x
x = 96,233,493,209,192,000/326,197,937.21 - Step 6: Final answer
x = 295,015,639.99
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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.