Finding the Fourth Proportional to 79,602,536,231.76, 119,420,576,187.97 and 25,815,477,818.10
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Solution
The fourth proportional to 79,602,536,231.76, 119,420,576,187.97 and 25,815,477,818.10 is: 38,728,655,914.05
Step by Step Solution
- Step 1: Write the proportion equation
79,602,536,231.76 : 119,420,576,187.97 = 25,815,477,818.10 : x - Step 2: Convert to fraction form
79,602,536,231.76/119,420,576,187.97 = 25,815,477,818.10/x - Step 3: Cross multiply
79,602,536,231.76x = 119,420,576,187.97 × 25,815,477,818.10 - Step 4: Simplify right side
79,602,536,231.76x = 3,082,899,235,605,260,533,760 - Step 5: Solve for x
x = 3,082,899,235,605,260,533,760/79,602,536,231.76 - Step 6: Final answer
x = 38,728,655,914.05
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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.