Finding the Fourth Proportional to 426,245,469.48, 588,218,751.84 and 230,675,181.48
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Solution
The fourth proportional to 426,245,469.48, 588,218,751.84 and 230,675,181.48 is: 318,331,752.58
Step by Step Solution
- Step 1: Write the proportion equation
426,245,469.48 : 588,218,751.84 = 230,675,181.48 : x - Step 2: Convert to fraction form
426,245,469.48/588,218,751.84 = 230,675,181.48/x - Step 3: Cross multiply
426,245,469.48x = 588,218,751.84 × 230,675,181.48 - Step 4: Simplify right side
426,245,469.48x = 135,687,467,330,631,088 - Step 5: Solve for x
x = 135,687,467,330,631,088/426,245,469.48 - Step 6: Final answer
x = 318,331,752.58
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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.