Finding the Fourth Proportional to 248,395,337.80, 372,593,006.70 and 246,694,726.60
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Solution
The fourth proportional to 248,395,337.80, 372,593,006.70 and 246,694,726.60 is: 370,042,089.90
Step by Step Solution
- Step 1: Write the proportion equation
248,395,337.80 : 372,593,006.70 = 246,694,726.60 : x - Step 2: Convert to fraction form
248,395,337.80/372,593,006.70 = 246,694,726.60/x - Step 3: Cross multiply
248,395,337.80x = 372,593,006.70 × 246,694,726.60 - Step 4: Simplify right side
248,395,337.80x = 91,916,729,920,928,464 - Step 5: Solve for x
x = 91,916,729,920,928,464/248,395,337.80 - Step 6: Final answer
x = 370,042,089.90
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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.