Finding the Fourth Proportional to 2,351,733,140.40, 3,245,365,979.64 and 1,294,438,507.44
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Solution
The fourth proportional to 2,351,733,140.40, 3,245,365,979.64 and 1,294,438,507.44 is: 1,786,310,964.72
Step by Step Solution
- Step 1: Write the proportion equation
2,351,733,140.40 : 3,245,365,979.64 = 1,294,438,507.44 : x - Step 2: Convert to fraction form
2,351,733,140.40/3,245,365,979.64 = 1,294,438,507.44/x - Step 3: Cross multiply
2,351,733,140.40x = 3,245,365,979.64 × 1,294,438,507.44 - Step 4: Simplify right side
2,351,733,140.40x = 4,200,926,694,781,754,880 - Step 5: Solve for x
x = 4,200,926,694,781,754,880/2,351,733,140.40 - Step 6: Final answer
x = 1,786,310,964.72
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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.