Finding the Fourth Proportional to 324,017,652.15, 447,145,537.26 and 175,338,757.57
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Solution
The fourth proportional to 324,017,652.15, 447,145,537.26 and 175,338,757.57 is: 241,968,122.53
Step by Step Solution
- Step 1: Write the proportion equation
324,017,652.15 : 447,145,537.26 = 175,338,757.57 : x - Step 2: Convert to fraction form
324,017,652.15/447,145,537.26 = 175,338,757.57/x - Step 3: Cross multiply
324,017,652.15x = 447,145,537.26 × 175,338,757.57 - Step 4: Simplify right side
324,017,652.15x = 78,401,942,956,138,544 - Step 5: Solve for x
x = 78,401,942,956,138,544/324,017,652.15 - Step 6: Final answer
x = 241,968,122.53
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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.