Finding the Fourth Proportional to 479,131,523.44, 661,203,494.84 and 259,114,949.44
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Solution
The fourth proportional to 479,131,523.44, 661,203,494.84 and 259,114,949.44 is: 357,579,707.77
Step by Step Solution
- Step 1: Write the proportion equation
479,131,523.44 : 661,203,494.84 = 259,114,949.44 : x - Step 2: Convert to fraction form
479,131,523.44/661,203,494.84 = 259,114,949.44/x - Step 3: Cross multiply
479,131,523.44x = 661,203,494.84 × 259,114,949.44 - Step 4: Simplify right side
479,131,523.44x = 171,327,710,135,017,920 - Step 5: Solve for x
x = 171,327,710,135,017,920/479,131,523.44 - Step 6: Final answer
x = 357,579,707.77
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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.