Finding the Fourth Proportional to 2,856,309,125.12, 3,941,573,912.16 and 1,586,230,749.44
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Solution
The fourth proportional to 2,856,309,125.12, 3,941,573,912.16 and 1,586,230,749.44 is: 2,188,924,751.06
Step by Step Solution
- Step 1: Write the proportion equation
2,856,309,125.12 : 3,941,573,912.16 = 1,586,230,749.44 : x - Step 2: Convert to fraction form
2,856,309,125.12/3,941,573,912.16 = 1,586,230,749.44/x - Step 3: Cross multiply
2,856,309,125.12x = 3,941,573,912.16 × 1,586,230,749.44 - Step 4: Simplify right side
2,856,309,125.12x = 6,252,245,740,658,709,504 - Step 5: Solve for x
x = 6,252,245,740,658,709,504/2,856,309,125.12 - Step 6: Final answer
x = 2,188,924,751.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.