Finding the Fourth Proportional to 521,469,633.41, 782,204,730.99 and 193,902,583.49
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Solution
The fourth proportional to 521,469,633.41, 782,204,730.99 and 193,902,583.49 is: 290,853,979.67
Step by Step Solution
- Step 1: Write the proportion equation
521,469,633.41 : 782,204,730.99 = 193,902,583.49 : x - Step 2: Convert to fraction form
521,469,633.41/782,204,730.99 = 193,902,583.49/x - Step 3: Cross multiply
521,469,633.41x = 782,204,730.99 × 193,902,583.49 - Step 4: Simplify right side
521,469,633.41x = 151,671,518,153,150,464 - Step 5: Solve for x
x = 151,671,518,153,150,464/521,469,633.41 - Step 6: Final answer
x = 290,853,979.67
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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.