Finding the Fourth Proportional to 2,702,749,422.80, 4,054,124,134.20 and 2,122,274,133.20
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Solution
The fourth proportional to 2,702,749,422.80, 4,054,124,134.20 and 2,122,274,133.20 is: 3,183,411,199.80
Step by Step Solution
- Step 1: Write the proportion equation
2,702,749,422.80 : 4,054,124,134.20 = 2,122,274,133.20 : x - Step 2: Convert to fraction form
2,702,749,422.80/4,054,124,134.20 = 2,122,274,133.20/x - Step 3: Cross multiply
2,702,749,422.80x = 4,054,124,134.20 × 2,122,274,133.20 - Step 4: Simplify right side
2,702,749,422.80x = 8,603,962,782,794,505,216 - Step 5: Solve for x
x = 8,603,962,782,794,505,216/2,702,749,422.80 - Step 6: Final answer
x = 3,183,411,199.80
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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.