Finding the Fourth Proportional to 3,250,865,637.20, 4,876,298,455.80 and 797,202,540.20
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Solution
The fourth proportional to 3,250,865,637.20, 4,876,298,455.80 and 797,202,540.20 is: 1,195,803,810.30
Step by Step Solution
- Step 1: Write the proportion equation
3,250,865,637.20 : 4,876,298,455.80 = 797,202,540.20 : x - Step 2: Convert to fraction form
3,250,865,637.20/4,876,298,455.80 = 797,202,540.20/x - Step 3: Cross multiply
3,250,865,637.20x = 4,876,298,455.80 × 797,202,540.20 - Step 4: Simplify right side
3,250,865,637.20x = 3,887,397,515,737,097,728 - Step 5: Solve for x
x = 3,887,397,515,737,097,728/3,250,865,637.20 - Step 6: Final answer
x = 1,195,803,810.30
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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.