Finding the Fourth Proportional to 7,170,744,472.20, 10,756,116,708.30 and 2,512,013,091.98
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Solution
The fourth proportional to 7,170,744,472.20, 10,756,116,708.30 and 2,512,013,091.98 is: 3,768,019,637.96
Step by Step Solution
- Step 1: Write the proportion equation
7,170,744,472.20 : 10,756,116,708.30 = 2,512,013,091.98 : x - Step 2: Convert to fraction form
7,170,744,472.20/10,756,116,708.30 = 2,512,013,091.98/x - Step 3: Cross multiply
7,170,744,472.20x = 10,756,116,708.30 × 2,512,013,091.98 - Step 4: Simplify right side
7,170,744,472.20x = 27,019,505,990,060,638,208 - Step 5: Solve for x
x = 27,019,505,990,060,638,208/7,170,744,472.20 - Step 6: Final answer
x = 3,768,019,637.96
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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.