Finding the Fourth Proportional to 364,292,326.81, 502,724,072.34 and 199,279,896.31
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Solution
The fourth proportional to 364,292,326.81, 502,724,072.34 and 199,279,896.31 is: 275,006,618.68
Step by Step Solution
- Step 1: Write the proportion equation
364,292,326.81 : 502,724,072.34 = 199,279,896.31 : x - Step 2: Convert to fraction form
364,292,326.81/502,724,072.34 = 199,279,896.31/x - Step 3: Cross multiply
364,292,326.81x = 502,724,072.34 × 199,279,896.31 - Step 4: Simplify right side
364,292,326.81x = 100,182,801,008,456,128 - Step 5: Solve for x
x = 100,182,801,008,456,128/364,292,326.81 - Step 6: Final answer
x = 275,006,618.68
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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.