Finding the Fourth Proportional to 632,368,396.36, 948,876,861.66 and 305,122,994.20
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Solution
The fourth proportional to 632,368,396.36, 948,876,861.66 and 305,122,994.20 is: 457,840,952.87
Step by Step Solution
- Step 1: Write the proportion equation
632,368,396.36 : 948,876,861.66 = 305,122,994.20 : x - Step 2: Convert to fraction form
632,368,396.36/948,876,861.66 = 305,122,994.20/x - Step 3: Cross multiply
632,368,396.36x = 948,876,861.66 × 305,122,994.20 - Step 4: Simplify right side
632,368,396.36x = 289,524,149,156,798,336 - Step 5: Solve for x
x = 289,524,149,156,798,336/632,368,396.36 - Step 6: Final answer
x = 457,840,952.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.