Finding the Fourth Proportional to 315,741,968.44, 473,397,424.26 and 168,211,585.24
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Solution
The fourth proportional to 315,741,968.44, 473,397,424.26 and 168,211,585.24 is: 252,202,555.07
Step by Step Solution
- Step 1: Write the proportion equation
315,741,968.44 : 473,397,424.26 = 168,211,585.24 : x - Step 2: Convert to fraction form
315,741,968.44/473,397,424.26 = 168,211,585.24/x - Step 3: Cross multiply
315,741,968.44x = 473,397,424.26 × 168,211,585.24 - Step 4: Simplify right side
315,741,968.44x = 79,630,931,183,307,440 - Step 5: Solve for x
x = 79,630,931,183,307,440/315,741,968.44 - Step 6: Final answer
x = 252,202,555.07
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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.