Finding the Fourth Proportional to 326,197,923.58, 489,052,490.55 and 196,775,365.42
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Solution
The fourth proportional to 326,197,923.58, 489,052,490.55 and 196,775,365.42 is: 295,015,619.60
Step by Step Solution
- Step 1: Write the proportion equation
326,197,923.58 : 489,052,490.55 = 196,775,365.42 : x - Step 2: Convert to fraction form
326,197,923.58/489,052,490.55 = 196,775,365.42/x - Step 3: Cross multiply
326,197,923.58x = 489,052,490.55 × 196,775,365.42 - Step 4: Simplify right side
326,197,923.58x = 96,233,482,537,537,344 - Step 5: Solve for x
x = 96,233,482,537,537,344/326,197,923.58 - Step 6: Final answer
x = 295,015,619.60
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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.