Finding the Fourth Proportional to 6,327,415,685.13, 9,484,479,635.15 and 2,128,910,890.97
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Solution
The fourth proportional to 6,327,415,685.13, 9,484,479,635.15 and 2,128,910,890.97 is: 3,191,130,944.33
Step by Step Solution
- Step 1: Write the proportion equation
6,327,415,685.13 : 9,484,479,635.15 = 2,128,910,890.97 : x - Step 2: Convert to fraction form
6,327,415,685.13/9,484,479,635.15 = 2,128,910,890.97/x - Step 3: Cross multiply
6,327,415,685.13x = 9,484,479,635.15 × 2,128,910,890.97 - Step 4: Simplify right side
6,327,415,685.13x = 20,191,611,990,467,076,096 - Step 5: Solve for x
x = 20,191,611,990,467,076,096/6,327,415,685.13 - Step 6: Final answer
x = 3,191,130,944.33
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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.