Finding the Fourth Proportional to 335,908,974.99, 503,787,879.67 and 120,498,222.99
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Solution
The fourth proportional to 335,908,974.99, 503,787,879.67 and 120,498,222.99 is: 180,720,221.20
Step by Step Solution
- Step 1: Write the proportion equation
335,908,974.99 : 503,787,879.67 = 120,498,222.99 : x - Step 2: Convert to fraction form
335,908,974.99/503,787,879.67 = 120,498,222.99/x - Step 3: Cross multiply
335,908,974.99x = 503,787,879.67 × 120,498,222.99 - Step 4: Simplify right side
335,908,974.99x = 60,705,544,264,134,944 - Step 5: Solve for x
x = 60,705,544,264,134,944/335,908,974.99 - Step 6: Final answer
x = 180,720,221.20
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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.