Finding the Fourth Proportional to 373,182,028.23, 515,177,642.41 and 232,098,725.21
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Solution
The fourth proportional to 373,182,028.23, 515,177,642.41 and 232,098,725.21 is: 320,412,198.37
Step by Step Solution
- Step 1: Write the proportion equation
373,182,028.23 : 515,177,642.41 = 232,098,725.21 : x - Step 2: Convert to fraction form
373,182,028.23/515,177,642.41 = 232,098,725.21/x - Step 3: Cross multiply
373,182,028.23x = 515,177,642.41 × 232,098,725.21 - Step 4: Simplify right side
373,182,028.23x = 119,572,074,059,793,392 - Step 5: Solve for x
x = 119,572,074,059,793,392/373,182,028.23 - Step 6: Final answer
x = 320,412,198.37
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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.