Finding the Fourth Proportional to 475,548,247.11, 653,929,433.19 and 412,715,260.14
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Solution
The fourth proportional to 475,548,247.11, 653,929,433.19 and 412,715,260.14 is: 567,527,391.33
Step by Step Solution
- Step 1: Write the proportion equation
475,548,247.11 : 653,929,433.19 = 412,715,260.14 : x - Step 2: Convert to fraction form
475,548,247.11/653,929,433.19 = 412,715,260.14/x - Step 3: Cross multiply
475,548,247.11x = 653,929,433.19 × 412,715,260.14 - Step 4: Simplify right side
475,548,247.11x = 269,886,656,132,213,600 - Step 5: Solve for x
x = 269,886,656,132,213,600/475,548,247.11 - Step 6: Final answer
x = 567,527,391.33
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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.