Finding the Fourth Proportional to 2,036,413,879.20, 3,053,370,703.68 and 791,390,630.16
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Solution
The fourth proportional to 2,036,413,879.20, 3,053,370,703.68 and 791,390,630.16 is: 1,186,600,125.83
Step by Step Solution
- Step 1: Write the proportion equation
2,036,413,879.20 : 3,053,370,703.68 = 791,390,630.16 : x - Step 2: Convert to fraction form
2,036,413,879.20/3,053,370,703.68 = 791,390,630.16/x - Step 3: Cross multiply
2,036,413,879.20x = 3,053,370,703.68 × 791,390,630.16 - Step 4: Simplify right side
2,036,413,879.20x = 2,416,408,965,297,397,760 - Step 5: Solve for x
x = 2,416,408,965,297,397,760/2,036,413,879.20 - Step 6: Final answer
x = 1,186,600,125.83
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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.