Finding the Fourth Proportional to 287,763,035,229.08, 397,097,256,091.74 and 157,526,695,450.44
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Solution
The fourth proportional to 287,763,035,229.08, 397,097,256,091.74 and 157,526,695,450.44 is: 217,378,227,452.92
Step by Step Solution
- Step 1: Write the proportion equation
287,763,035,229.08 : 397,097,256,091.74 = 157,526,695,450.44 : x - Step 2: Convert to fraction form
287,763,035,229.08/397,097,256,091.74 = 157,526,695,450.44/x - Step 3: Cross multiply
287,763,035,229.08x = 397,097,256,091.74 × 157,526,695,450.44 - Step 4: Simplify right side
287,763,035,229.08x = 62,553,418,524,568,902,959,104 - Step 5: Solve for x
x = 62,553,418,524,568,902,959,104/287,763,035,229.08 - Step 6: Final answer
x = 217,378,227,452.92
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1.5x scale
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.