Finding the Fourth Proportional to 6,215,138,770.12, 8,576,791,408.02 and 3,395,686,156.36
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Solution
The fourth proportional to 6,215,138,770.12, 8,576,791,408.02 and 3,395,686,156.36 is: 4,685,992,208.29
Step by Step Solution
- Step 1: Write the proportion equation
6,215,138,770.12 : 8,576,791,408.02 = 3,395,686,156.36 : x - Step 2: Convert to fraction form
6,215,138,770.12/8,576,791,408.02 = 3,395,686,156.36/x - Step 3: Cross multiply
6,215,138,770.12x = 8,576,791,408.02 × 3,395,686,156.36 - Step 4: Simplify right side
6,215,138,770.12x = 29,124,091,850,200,907,776 - Step 5: Solve for x
x = 29,124,091,850,200,907,776/6,215,138,770.12 - Step 6: Final answer
x = 4,685,992,208.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.