Finding the Fourth Proportional to 673,741,969.40, 1,010,709,358.36 and 207,442,847.44
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Solution
The fourth proportional to 673,741,969.40, 1,010,709,358.36 and 207,442,847.44 is: 311,193,953.70
Step by Step Solution
- Step 1: Write the proportion equation
673,741,969.40 : 1,010,709,358.36 = 207,442,847.44 : x - Step 2: Convert to fraction form
673,741,969.40/1,010,709,358.36 = 207,442,847.44/x - Step 3: Cross multiply
673,741,969.40x = 1,010,709,358.36 × 207,442,847.44 - Step 4: Simplify right side
673,741,969.40x = 209,664,427,232,453,760 - Step 5: Solve for x
x = 209,664,427,232,453,760/673,741,969.40 - Step 6: Final answer
x = 311,193,953.70
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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.