Finding the Fourth Proportional to 404,267,231.01, 557,890,459.98 and 218,628,246.70
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Solution
The fourth proportional to 404,267,231.01, 557,890,459.98 and 218,628,246.70 is: 301,707,889.63
Step by Step Solution
- Step 1: Write the proportion equation
404,267,231.01 : 557,890,459.98 = 218,628,246.70 : x - Step 2: Convert to fraction form
404,267,231.01/557,890,459.98 = 218,628,246.70/x - Step 3: Cross multiply
404,267,231.01x = 557,890,459.98 × 218,628,246.70 - Step 4: Simplify right side
404,267,231.01x = 121,970,613,116,083,920 - Step 5: Solve for x
x = 121,970,613,116,083,920/404,267,231.01 - Step 6: Final answer
x = 301,707,889.63
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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.