Finding the Fourth Proportional to 5,686,699,212.76, 8,531,212,218.18 and 1,955,506,032.28
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Solution
The fourth proportional to 5,686,699,212.76, 8,531,212,218.18 and 1,955,506,032.28 is: 2,933,659,110.70
Step by Step Solution
- Step 1: Write the proportion equation
5,686,699,212.76 : 8,531,212,218.18 = 1,955,506,032.28 : x - Step 2: Convert to fraction form
5,686,699,212.76/8,531,212,218.18 = 1,955,506,032.28/x - Step 3: Cross multiply
5,686,699,212.76x = 8,531,212,218.18 × 1,955,506,032.28 - Step 4: Simplify right side
5,686,699,212.76x = 16,682,836,955,311,828,992 - Step 5: Solve for x
x = 16,682,836,955,311,828,992/5,686,699,212.76 - Step 6: Final answer
x = 2,933,659,110.70
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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.