Finding the Fourth Proportional to 295,268,349.15, 442,900,912.64 and 120,390,696.99
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Solution
The fourth proportional to 295,268,349.15, 442,900,912.64 and 120,390,696.99 is: 180,585,388.59
Step by Step Solution
- Step 1: Write the proportion equation
295,268,349.15 : 442,900,912.64 = 120,390,696.99 : x - Step 2: Convert to fraction form
295,268,349.15/442,900,912.64 = 120,390,696.99/x - Step 3: Cross multiply
295,268,349.15x = 442,900,912.64 × 120,390,696.99 - Step 4: Simplify right side
295,268,349.15x = 53,321,149,569,634,744 - Step 5: Solve for x
x = 53,321,149,569,634,744/295,268,349.15 - Step 6: Final answer
x = 180,585,388.59
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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.