Finding the Fourth Proportional to 11,256,031,997.80, 16,884,047,996.70 and 5,451,279,101.80
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Solution
The fourth proportional to 11,256,031,997.80, 16,884,047,996.70 and 5,451,279,101.80 is: 8,176,918,652.70
Step by Step Solution
- Step 1: Write the proportion equation
11,256,031,997.80 : 16,884,047,996.70 = 5,451,279,101.80 : x - Step 2: Convert to fraction form
11,256,031,997.80/16,884,047,996.70 = 5,451,279,101.80/x - Step 3: Cross multiply
11,256,031,997.80x = 16,884,047,996.70 × 5,451,279,101.80 - Step 4: Simplify right side
11,256,031,997.80x = 92,039,657,998,198,865,920 - Step 5: Solve for x
x = 92,039,657,998,198,865,920/11,256,031,997.80 - Step 6: Final answer
x = 8,176,918,652.70
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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.