Finding the Fourth Proportional to 411,207,469.08, 567,461,013.24 and 234,993,446.52
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Solution
The fourth proportional to 411,207,469.08, 567,461,013.24 and 234,993,446.52 is: 324,287,930.77
Step by Step Solution
- Step 1: Write the proportion equation
411,207,469.08 : 567,461,013.24 = 234,993,446.52 : x - Step 2: Convert to fraction form
411,207,469.08/567,461,013.24 = 234,993,446.52/x - Step 3: Cross multiply
411,207,469.08x = 567,461,013.24 × 234,993,446.52 - Step 4: Simplify right side
411,207,469.08x = 133,349,619,266,998,960 - Step 5: Solve for x
x = 133,349,619,266,998,960/411,207,469.08 - Step 6: Final answer
x = 324,287,930.77
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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.