Finding the Fourth Proportional to 264,220,512.53, 396,330,768.79 and 191,283,187.73
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Solution
The fourth proportional to 264,220,512.53, 396,330,768.79 and 191,283,187.73 is: 286,924,781.59
Step by Step Solution
- Step 1: Write the proportion equation
264,220,512.53 : 396,330,768.79 = 191,283,187.73 : x - Step 2: Convert to fraction form
264,220,512.53/396,330,768.79 = 191,283,187.73/x - Step 3: Cross multiply
264,220,512.53x = 396,330,768.79 × 191,283,187.73 - Step 4: Simplify right side
264,220,512.53x = 75,811,412,847,172,928 - Step 5: Solve for x
x = 75,811,412,847,172,928/264,220,512.53 - Step 6: Final answer
x = 286,924,781.59
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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.