Finding the Fourth Proportional to 456,121,995.17, 629,453,285.87 and 267,958,220.18
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Solution
The fourth proportional to 456,121,995.17, 629,453,285.87 and 267,958,220.18 is: 369,785,241.56
Step by Step Solution
- Step 1: Write the proportion equation
456,121,995.17 : 629,453,285.87 = 267,958,220.18 : x - Step 2: Convert to fraction form
456,121,995.17/629,453,285.87 = 267,958,220.18/x - Step 3: Cross multiply
456,121,995.17x = 629,453,285.87 × 267,958,220.18 - Step 4: Simplify right side
456,121,995.17x = 168,667,182,163,690,880 - Step 5: Solve for x
x = 168,667,182,163,690,880/456,121,995.17 - Step 6: Final answer
x = 369,785,241.56
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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.