Finding the Fourth Proportional to 3,516,682,287.30, 4,853,031,105.78 and 1,930,876,960.02
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Solution
The fourth proportional to 3,516,682,287.30, 4,853,031,105.78 and 1,930,876,960.02 is: 2,664,615,447.99
Step by Step Solution
- Step 1: Write the proportion equation
3,516,682,287.30 : 4,853,031,105.78 = 1,930,876,960.02 : x - Step 2: Convert to fraction form
3,516,682,287.30/4,853,031,105.78 = 1,930,876,960.02/x - Step 3: Cross multiply
3,516,682,287.30x = 4,853,031,105.78 × 1,930,876,960.02 - Step 4: Simplify right side
3,516,682,287.30x = 9,370,605,948,410,984,448 - Step 5: Solve for x
x = 9,370,605,948,410,984,448/3,516,682,287.30 - Step 6: Final answer
x = 2,664,615,447.99
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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.