Finding the Fourth Proportional to 5,535,399,889.28, 7,638,846,912.09 and 3,124,589,828.44
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Solution
The fourth proportional to 5,535,399,889.28, 7,638,846,912.09 and 3,124,589,828.44 is: 4,311,931,177.50
Step by Step Solution
- Step 1: Write the proportion equation
5,535,399,889.28 : 7,638,846,912.09 = 3,124,589,828.44 : x - Step 2: Convert to fraction form
5,535,399,889.28/7,638,846,912.09 = 3,124,589,828.44/x - Step 3: Cross multiply
5,535,399,889.28x = 7,638,846,912.09 × 3,124,589,828.44 - Step 4: Simplify right side
5,535,399,889.28x = 23,868,263,362,526,715,904 - Step 5: Solve for x
x = 23,868,263,362,526,715,904/5,535,399,889.28 - Step 6: Final answer
x = 4,311,931,177.50
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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.