Finding the Fourth Proportional to 413,728,994.20, 620,593,491.30 and 183,453,640.60
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Solution
The fourth proportional to 413,728,994.20, 620,593,491.30 and 183,453,640.60 is: 275,180,460.90
Step by Step Solution
- Step 1: Write the proportion equation
413,728,994.20 : 620,593,491.30 = 183,453,640.60 : x - Step 2: Convert to fraction form
413,728,994.20/620,593,491.30 = 183,453,640.60/x - Step 3: Cross multiply
413,728,994.20x = 620,593,491.30 × 183,453,640.60 - Step 4: Simplify right side
413,728,994.20x = 113,850,135,311,649,408 - Step 5: Solve for x
x = 113,850,135,311,649,408/413,728,994.20 - Step 6: Final answer
x = 275,180,460.90
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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.