Finding the Fourth Proportional to 1,231,306,548.09, 1,846,971,779.49 and 985,051,419.72
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Solution
The fourth proportional to 1,231,306,548.09, 1,846,971,779.49 and 985,051,419.72 is: 1,477,586,695.52
Step by Step Solution
- Step 1: Write the proportion equation
1,231,306,548.09 : 1,846,971,779.49 = 985,051,419.72 : x - Step 2: Convert to fraction form
1,231,306,548.09/1,846,971,779.49 = 985,051,419.72/x - Step 3: Cross multiply
1,231,306,548.09x = 1,846,971,779.49 × 985,051,419.72 - Step 4: Simplify right side
1,231,306,548.09x = 1,819,362,173,569,399,296 - Step 5: Solve for x
x = 1,819,362,173,569,399,296/1,231,306,548.09 - Step 6: Final answer
x = 1,477,586,695.52
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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.