Finding the Fourth Proportional to 367,728,202.40, 507,468,342.42 and 202,721,676.80
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Solution
The fourth proportional to 367,728,202.40, 507,468,342.42 and 202,721,676.80 is: 279,757,801.08
Step by Step Solution
- Step 1: Write the proportion equation
367,728,202.40 : 507,468,342.42 = 202,721,676.80 : x - Step 2: Convert to fraction form
367,728,202.40/507,468,342.42 = 202,721,676.80/x - Step 3: Cross multiply
367,728,202.40x = 507,468,342.42 × 202,721,676.80 - Step 4: Simplify right side
367,728,202.40x = 102,874,833,295,761,632 - Step 5: Solve for x
x = 102,874,833,295,761,632/367,728,202.40 - Step 6: Final answer
x = 279,757,801.08
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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.