Finding the Fourth Proportional to 3,452,855,769.93, 4,764,745,322.34 and 1,947,392,140.90
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Solution
The fourth proportional to 3,452,855,769.93, 4,764,745,322.34 and 1,947,392,140.90 is: 2,687,290,814.44
Step by Step Solution
- Step 1: Write the proportion equation
3,452,855,769.93 : 4,764,745,322.34 = 1,947,392,140.90 : x - Step 2: Convert to fraction form
3,452,855,769.93/4,764,745,322.34 = 1,947,392,140.90/x - Step 3: Cross multiply
3,452,855,769.93x = 4,764,745,322.34 × 1,947,392,140.90 - Step 4: Simplify right side
3,452,855,769.93x = 9,278,827,594,114,953,216 - Step 5: Solve for x
x = 9,278,827,594,114,953,216/3,452,855,769.93 - Step 6: Final answer
x = 2,687,290,814.44
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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.