Finding the Fourth Proportional to 3,957,449,713.20, 5,942,032,230.60 and 2,214,134,276.40
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Solution
The fourth proportional to 3,957,449,713.20, 5,942,032,230.60 and 2,214,134,276.40 is: 3,324,478,688.73
Step by Step Solution
- Step 1: Write the proportion equation
3,957,449,713.20 : 5,942,032,230.60 = 2,214,134,276.40 : x - Step 2: Convert to fraction form
3,957,449,713.20/5,942,032,230.60 = 2,214,134,276.40/x - Step 3: Cross multiply
3,957,449,713.20x = 5,942,032,230.60 × 2,214,134,276.40 - Step 4: Simplify right side
3,957,449,713.20x = 13,156,457,233,245,009,920 - Step 5: Solve for x
x = 13,156,457,233,245,009,920/3,957,449,713.20 - Step 6: Final answer
x = 3,324,478,688.73
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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.