Finding the Fourth Proportional to 434,236,961.75, 599,251,635.49 and 235,998,466.93
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Solution
The fourth proportional to 434,236,961.75, 599,251,635.49 and 235,998,466.93 is: 325,680,399.72
Step by Step Solution
- Step 1: Write the proportion equation
434,236,961.75 : 599,251,635.49 = 235,998,466.93 : x - Step 2: Convert to fraction form
434,236,961.75/599,251,635.49 = 235,998,466.93/x - Step 3: Cross multiply
434,236,961.75x = 599,251,635.49 × 235,998,466.93 - Step 4: Simplify right side
434,236,961.75x = 141,422,467,276,758,944 - Step 5: Solve for x
x = 141,422,467,276,758,944/434,236,961.75 - Step 6: Final answer
x = 325,680,399.72
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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.