Finding the Fourth Proportional to 284,995,671.26, 393,091,234.35 and 261,549,936.65
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Solution
The fourth proportional to 284,995,671.26, 393,091,234.35 and 261,549,936.65 is: 360,752,803.67
Step by Step Solution
- Step 1: Write the proportion equation
284,995,671.26 : 393,091,234.35 = 261,549,936.65 : x - Step 2: Convert to fraction form
284,995,671.26/393,091,234.35 = 261,549,936.65/x - Step 3: Cross multiply
284,995,671.26x = 393,091,234.35 × 261,549,936.65 - Step 4: Simplify right side
284,995,671.26x = 102,812,987,441,174,144 - Step 5: Solve for x
x = 102,812,987,441,174,144/284,995,671.26 - Step 6: Final answer
x = 360,752,803.67
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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.