Finding the Fourth Proportional to 5,173,414,373.05, 7,760,121,550.81 and 1,243,120,530.42
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Solution
The fourth proportional to 5,173,414,373.05, 7,760,121,550.81 and 1,243,120,530.42 is: 1,864,680,793.52
Step by Step Solution
- Step 1: Write the proportion equation
5,173,414,373.05 : 7,760,121,550.81 = 1,243,120,530.42 : x - Step 2: Convert to fraction form
5,173,414,373.05/7,760,121,550.81 = 1,243,120,530.42/x - Step 3: Cross multiply
5,173,414,373.05x = 7,760,121,550.81 × 1,243,120,530.42 - Step 4: Simplify right side
5,173,414,373.05x = 9,646,766,418,366,601,216 - Step 5: Solve for x
x = 9,646,766,418,366,601,216/5,173,414,373.05 - Step 6: Final answer
x = 1,864,680,793.52
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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.