Finding the Fourth Proportional to 12,741,868,777.93, 19,112,863,660.53 and 3,898,693,555.99
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Solution
The fourth proportional to 12,741,868,777.93, 19,112,863,660.53 and 3,898,693,555.99 is: 5,848,058,843.52
Step by Step Solution
- Step 1: Write the proportion equation
12,741,868,777.93 : 19,112,863,660.53 = 3,898,693,555.99 : x - Step 2: Convert to fraction form
12,741,868,777.93/19,112,863,660.53 = 3,898,693,555.99/x - Step 3: Cross multiply
12,741,868,777.93x = 19,112,863,660.53 × 3,898,693,555.99 - Step 4: Simplify right side
12,741,868,777.93x = 74,515,198,389,760,376,832 - Step 5: Solve for x
x = 74,515,198,389,760,376,832/12,741,868,777.93 - Step 6: Final answer
x = 5,848,058,843.52
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1.5x scale
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.