Finding the Fourth Proportional to 818,136,866.24, 1,227,377,653.18 and 265,396,134.99
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Solution
The fourth proportional to 818,136,866.24, 1,227,377,653.18 and 265,396,134.99 is: 398,150,112.49
Step by Step Solution
- Step 1: Write the proportion equation
818,136,866.24 : 1,227,377,653.18 = 265,396,134.99 : x - Step 2: Convert to fraction form
818,136,866.24/1,227,377,653.18 = 265,396,134.99/x - Step 3: Cross multiply
818,136,866.24x = 1,227,377,653.18 × 265,396,134.99 - Step 4: Simplify right side
818,136,866.24x = 325,741,285,327,068,736 - Step 5: Solve for x
x = 325,741,285,327,068,736/818,136,866.24 - Step 6: Final answer
x = 398,150,112.49
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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.