Finding the Fourth Proportional to 2,380,715,078.57, 3,572,465,135.67 and 887,778,022.73
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Solution
The fourth proportional to 2,380,715,078.57, 3,572,465,135.67 and 887,778,022.73 is: 1,332,186,309.47
Step by Step Solution
- Step 1: Write the proportion equation
2,380,715,078.57 : 3,572,465,135.67 = 887,778,022.73 : x - Step 2: Convert to fraction form
2,380,715,078.57/3,572,465,135.67 = 887,778,022.73/x - Step 3: Cross multiply
2,380,715,078.57x = 3,572,465,135.67 × 887,778,022.73 - Step 4: Simplify right side
2,380,715,078.57x = 3,171,556,034,416,973,824 - Step 5: Solve for x
x = 3,171,556,034,416,973,824/2,380,715,078.57 - Step 6: Final answer
x = 1,332,186,309.47
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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.