Finding the Fourth Proportional to 4,518,129,092.40, 6,777,193,638.60 and 3,200,899,429.80
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Solution
The fourth proportional to 4,518,129,092.40, 6,777,193,638.60 and 3,200,899,429.80 is: 4,801,349,144.70
Step by Step Solution
- Step 1: Write the proportion equation
4,518,129,092.40 : 6,777,193,638.60 = 3,200,899,429.80 : x - Step 2: Convert to fraction form
4,518,129,092.40/6,777,193,638.60 = 3,200,899,429.80/x - Step 3: Cross multiply
4,518,129,092.40x = 6,777,193,638.60 × 3,200,899,429.80 - Step 4: Simplify right side
4,518,129,092.40x = 21,693,115,253,438,930,944 - Step 5: Solve for x
x = 21,693,115,253,438,930,944/4,518,129,092.40 - Step 6: Final answer
x = 4,801,349,144.70
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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.