Finding the Fourth Proportional to 3,811,271,682.96, 5,259,591,910.44 and 2,203,605,970.92
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Solution
The fourth proportional to 3,811,271,682.96, 5,259,591,910.44 and 2,203,605,970.92 is: 3,040,997,625.61
Step by Step Solution
- Step 1: Write the proportion equation
3,811,271,682.96 : 5,259,591,910.44 = 2,203,605,970.92 : x - Step 2: Convert to fraction form
3,811,271,682.96/5,259,591,910.44 = 2,203,605,970.92/x - Step 3: Cross multiply
3,811,271,682.96x = 5,259,591,910.44 × 2,203,605,970.92 - Step 4: Simplify right side
3,811,271,682.96x = 11,590,068,138,448,113,664 - Step 5: Solve for x
x = 11,590,068,138,448,113,664/3,811,271,682.96 - Step 6: Final answer
x = 3,040,997,625.61
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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.