Finding the Fourth Proportional to 372,843,054.58, 514,743,876.05 and 331,475,489.62
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Solution
The fourth proportional to 372,843,054.58, 514,743,876.05 and 331,475,489.62 is: 457,632,175.92
Step by Step Solution
- Step 1: Write the proportion equation
372,843,054.58 : 514,743,876.05 = 331,475,489.62 : x - Step 2: Convert to fraction form
372,843,054.58/514,743,876.05 = 331,475,489.62/x - Step 3: Cross multiply
372,843,054.58x = 514,743,876.05 × 331,475,489.62 - Step 4: Simplify right side
372,843,054.58x = 170,624,978,342,570,336 - Step 5: Solve for x
x = 170,624,978,342,570,336/372,843,054.58 - Step 6: Final answer
x = 457,632,175.92
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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.