Finding the Fourth Proportional to 3,974,162,418.09, 5,484,380,406.48 and 2,190,079,883.79
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Solution
The fourth proportional to 3,974,162,418.09, 5,484,380,406.48 and 2,190,079,883.79 is: 3,022,330,227.02
Step by Step Solution
- Step 1: Write the proportion equation
3,974,162,418.09 : 5,484,380,406.48 = 2,190,079,883.79 : x - Step 2: Convert to fraction form
3,974,162,418.09/5,484,380,406.48 = 2,190,079,883.79/x - Step 3: Cross multiply
3,974,162,418.09x = 5,484,380,406.48 × 2,190,079,883.79 - Step 4: Simplify right side
3,974,162,418.09x = 12,011,231,203,283,869,696 - Step 5: Solve for x
x = 12,011,231,203,283,869,696/3,974,162,418.09 - Step 6: Final answer
x = 3,022,330,227.02
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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.