Finding the Fourth Proportional to 2,521,622,508.80, 3,782,433,763.20 and 798,336,492.80
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Solution
The fourth proportional to 2,521,622,508.80, 3,782,433,763.20 and 798,336,492.80 is: 1,197,504,739.20
Step by Step Solution
- Step 1: Write the proportion equation
2,521,622,508.80 : 3,782,433,763.20 = 798,336,492.80 : x - Step 2: Convert to fraction form
2,521,622,508.80/3,782,433,763.20 = 798,336,492.80/x - Step 3: Cross multiply
2,521,622,508.80x = 3,782,433,763.20 × 798,336,492.80 - Step 4: Simplify right side
2,521,622,508.80x = 3,019,654,904,761,393,152 - Step 5: Solve for x
x = 3,019,654,904,761,393,152/2,521,622,508.80 - Step 6: Final answer
x = 1,197,504,739.20
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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.