Finding the Fourth Proportional to 505,513,408.20, 758,270,112.30 and 246,894,534.60
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Solution
The fourth proportional to 505,513,408.20, 758,270,112.30 and 246,894,534.60 is: 370,341,801.90
Step by Step Solution
- Step 1: Write the proportion equation
505,513,408.20 : 758,270,112.30 = 246,894,534.60 : x - Step 2: Convert to fraction form
505,513,408.20/758,270,112.30 = 246,894,534.60/x - Step 3: Cross multiply
505,513,408.20x = 758,270,112.30 × 246,894,534.60 - Step 4: Simplify right side
505,513,408.20x = 187,212,746,477,398,208 - Step 5: Solve for x
x = 187,212,746,477,398,208/505,513,408.20 - Step 6: Final answer
x = 370,341,801.90
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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.