Finding the Fourth Proportional to 326,197,940.22, 489,052,515.42 and 196,775,382.06
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Solution
The fourth proportional to 326,197,940.22, 489,052,515.42 and 196,775,382.06 is: 295,015,644.50
Step by Step Solution
- Step 1: Write the proportion equation
326,197,940.22 : 489,052,515.42 = 196,775,382.06 : x - Step 2: Convert to fraction form
326,197,940.22/489,052,515.42 = 196,775,382.06/x - Step 3: Cross multiply
326,197,940.22x = 489,052,515.42 × 196,775,382.06 - Step 4: Simplify right side
326,197,940.22x = 96,233,495,569,174,544 - Step 5: Solve for x
x = 96,233,495,569,174,544/326,197,940.22 - Step 6: Final answer
x = 295,015,644.50
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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.