Finding the Fourth Proportional to 404,267,228.26, 557,890,456.18 and 218,628,243.94
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Solution
The fourth proportional to 404,267,228.26, 557,890,456.18 and 218,628,243.94 is: 301,707,885.82
Step by Step Solution
- Step 1: Write the proportion equation
404,267,228.26 : 557,890,456.18 = 218,628,243.94 : x - Step 2: Convert to fraction form
404,267,228.26/557,890,456.18 = 218,628,243.94/x - Step 3: Cross multiply
404,267,228.26x = 557,890,456.18 × 218,628,243.94 - Step 4: Simplify right side
404,267,228.26x = 121,970,610,745,518,912 - Step 5: Solve for x
x = 121,970,610,745,518,912/404,267,228.26 - Step 6: Final answer
x = 301,707,885.82
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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.