Finding the Fourth Proportional to 330,985,528,531.92, 496,478,299,342.50 and 79,446,722,640.48
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Solution
The fourth proportional to 330,985,528,531.92, 496,478,299,342.50 and 79,446,722,640.48 is: 119,170,085,531.63
Step by Step Solution
- Step 1: Write the proportion equation
330,985,528,531.92 : 496,478,299,342.50 = 79,446,722,640.48 : x - Step 2: Convert to fraction form
330,985,528,531.92/496,478,299,342.50 = 79,446,722,640.48/x - Step 3: Cross multiply
330,985,528,531.92x = 496,478,299,342.50 × 79,446,722,640.48 - Step 4: Simplify right side
330,985,528,531.92x = 39,443,573,744,880,796,565,504 - Step 5: Solve for x
x = 39,443,573,744,880,796,565,504/330,985,528,531.92 - Step 6: Final answer
x = 119,170,085,531.63
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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.