Finding the Fourth Proportional to 263,269,432.07, 394,904,148.12 and 127,220,536.07
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Solution
The fourth proportional to 263,269,432.07, 394,904,148.12 and 127,220,536.07 is: 190,830,804.11
Step by Step Solution
- Step 1: Write the proportion equation
263,269,432.07 : 394,904,148.12 = 127,220,536.07 : x - Step 2: Convert to fraction form
263,269,432.07/394,904,148.12 = 127,220,536.07/x - Step 3: Cross multiply
263,269,432.07x = 394,904,148.12 × 127,220,536.07 - Step 4: Simplify right side
263,269,432.07x = 50,239,917,419,599,448 - Step 5: Solve for x
x = 50,239,917,419,599,448/263,269,432.07 - Step 6: Final answer
x = 190,830,804.11
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1.5x scale
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.