Finding the Fourth Proportional to 489,787,825.34, 675,907,174.95 and 269,771,262.14
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Solution
The fourth proportional to 489,787,825.34, 675,907,174.95 and 269,771,262.14 is: 372,284,328.52
Step by Step Solution
- Step 1: Write the proportion equation
489,787,825.34 : 675,907,174.95 = 269,771,262.14 : x - Step 2: Convert to fraction form
489,787,825.34/675,907,174.95 = 269,771,262.14/x - Step 3: Cross multiply
489,787,825.34x = 675,907,174.95 × 269,771,262.14 - Step 4: Simplify right side
489,787,825.34x = 182,340,331,675,743,296 - Step 5: Solve for x
x = 182,340,331,675,743,296/489,787,825.34 - Step 6: Final answer
x = 372,284,328.52
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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.