Finding the Fourth Proportional to 326,410,374.97, 489,816,295.51 and 129,639,362.46
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Solution
The fourth proportional to 326,410,374.97, 489,816,295.51 and 129,639,362.46 is: 194,538,768.19
Step by Step Solution
- Step 1: Write the proportion equation
326,410,374.97 : 489,816,295.51 = 129,639,362.46 : x - Step 2: Convert to fraction form
326,410,374.97/489,816,295.51 = 129,639,362.46/x - Step 3: Cross multiply
326,410,374.97x = 489,816,295.51 × 129,639,362.46 - Step 4: Simplify right side
326,410,374.97x = 63,499,472,270,518,168 - Step 5: Solve for x
x = 63,499,472,270,518,168/326,410,374.97 - Step 6: Final answer
x = 194,538,768.19
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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.