Finding the Fourth Proportional to 4,252,192,744.80, 6,379,184,912.40 and 1,797,265,999.20
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Solution
The fourth proportional to 4,252,192,744.80, 6,379,184,912.40 and 1,797,265,999.20 is: 2,696,277,622.81
Step by Step Solution
- Step 1: Write the proportion equation
4,252,192,744.80 : 6,379,184,912.40 = 1,797,265,999.20 : x - Step 2: Convert to fraction form
4,252,192,744.80/6,379,184,912.40 = 1,797,265,999.20/x - Step 3: Cross multiply
4,252,192,744.80x = 6,379,184,912.40 × 1,797,265,999.20 - Step 4: Simplify right side
4,252,192,744.80x = 11,465,092,145,666,150,400 - Step 5: Solve for x
x = 11,465,092,145,666,150,400/4,252,192,744.80 - Step 6: Final answer
x = 2,696,277,622.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.