Finding the Fourth Proportional to 328,883,858.06, 493,388,006.54 and 132,162,585.12
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Solution
The fourth proportional to 328,883,858.06, 493,388,006.54 and 132,162,585.12 is: 198,268,880.68
Step by Step Solution
- Step 1: Write the proportion equation
328,883,858.06 : 493,388,006.54 = 132,162,585.12 : x - Step 2: Convert to fraction form
328,883,858.06/493,388,006.54 = 132,162,585.12/x - Step 3: Cross multiply
328,883,858.06x = 493,388,006.54 × 132,162,585.12 - Step 4: Simplify right side
328,883,858.06x = 65,207,434,410,869,056 - Step 5: Solve for x
x = 65,207,434,410,869,056/328,883,858.06 - Step 6: Final answer
x = 198,268,880.68
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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.