Finding the Fourth Proportional to 747,478,895.97, 1,121,203,910.89 and 223,203,231.05
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Solution
The fourth proportional to 747,478,895.97, 1,121,203,910.89 and 223,203,231.05 is: 334,800,536.74
Step by Step Solution
- Step 1: Write the proportion equation
747,478,895.97 : 1,121,203,910.89 = 223,203,231.05 : x - Step 2: Convert to fraction form
747,478,895.97/1,121,203,910.89 = 223,203,231.05/x - Step 3: Cross multiply
747,478,895.97x = 1,121,203,910.89 × 223,203,231.05 - Step 4: Simplify right side
747,478,895.97x = 250,256,335,571,228,416 - Step 5: Solve for x
x = 250,256,335,571,228,416/747,478,895.97 - Step 6: Final answer
x = 334,800,536.74
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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.