Finding the Fourth Proportional to 682,773,107.75, 942,216,861.18 and 381,362,817.98
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Solution
The fourth proportional to 682,773,107.75, 942,216,861.18 and 381,362,817.98 is: 526,275,087.95
Step by Step Solution
- Step 1: Write the proportion equation
682,773,107.75 : 942,216,861.18 = 381,362,817.98 : x - Step 2: Convert to fraction form
682,773,107.75/942,216,861.18 = 381,362,817.98/x - Step 3: Cross multiply
682,773,107.75x = 942,216,861.18 × 381,362,817.98 - Step 4: Simplify right side
682,773,107.75x = 359,326,477,330,797,248 - Step 5: Solve for x
x = 359,326,477,330,797,248/682,773,107.75 - Step 6: Final answer
x = 526,275,087.95
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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.