Finding the Fourth Proportional to 489,414,289.26, 675,409,539.18 and 266,385,190.98
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Solution
The fourth proportional to 489,414,289.26, 675,409,539.18 and 266,385,190.98 is: 367,621,262.87
Step by Step Solution
- Step 1: Write the proportion equation
489,414,289.26 : 675,409,539.18 = 266,385,190.98 : x - Step 2: Convert to fraction form
489,414,289.26/675,409,539.18 = 266,385,190.98/x - Step 3: Cross multiply
489,414,289.26x = 675,409,539.18 × 266,385,190.98 - Step 4: Simplify right side
489,414,289.26x = 179,919,099,084,178,080 - Step 5: Solve for x
x = 179,919,099,084,178,080/489,414,289.26 - Step 6: Final answer
x = 367,621,262.87
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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.