Finding the Fourth Proportional to 2,621,837,524.77, 3,618,137,235.85 and 1,416,178,765.44
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Solution
The fourth proportional to 2,621,837,524.77, 3,618,137,235.85 and 1,416,178,765.44 is: 1,954,327,480.42
Step by Step Solution
- Step 1: Write the proportion equation
2,621,837,524.77 : 3,618,137,235.85 = 1,416,178,765.44 : x - Step 2: Convert to fraction form
2,621,837,524.77/3,618,137,235.85 = 1,416,178,765.44/x - Step 3: Cross multiply
2,621,837,524.77x = 3,618,137,235.85 × 1,416,178,765.44 - Step 4: Simplify right side
2,621,837,524.77x = 5,123,929,123,855,006,720 - Step 5: Solve for x
x = 5,123,929,123,855,006,720/2,621,837,524.77 - Step 6: Final answer
x = 1,954,327,480.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.