Finding the Fourth Proportional to 941,243,452.63, 1,412,037,528.21 and 388,244,204.01
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Solution
The fourth proportional to 941,243,452.63, 1,412,037,528.21 and 388,244,204.01 is: 582,437,396.66
Step by Step Solution
- Step 1: Write the proportion equation
941,243,452.63 : 1,412,037,528.21 = 388,244,204.01 : x - Step 2: Convert to fraction form
941,243,452.63/1,412,037,528.21 = 388,244,204.01/x - Step 3: Cross multiply
941,243,452.63x = 1,412,037,528.21 × 388,244,204.01 - Step 4: Simplify right side
941,243,452.63x = 548,215,386,172,139,392 - Step 5: Solve for x
x = 548,215,386,172,139,392/941,243,452.63 - Step 6: Final answer
x = 582,437,396.66
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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.