Finding the Fourth Proportional to 317,723,648.80, 476,585,473.20 and 113,177,912.80
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Solution
The fourth proportional to 317,723,648.80, 476,585,473.20 and 113,177,912.80 is: 169,766,869.20
Step by Step Solution
- Step 1: Write the proportion equation
317,723,648.80 : 476,585,473.20 = 113,177,912.80 : x - Step 2: Convert to fraction form
317,723,648.80/476,585,473.20 = 113,177,912.80/x - Step 3: Cross multiply
317,723,648.80x = 476,585,473.20 × 113,177,912.80 - Step 4: Simplify right side
317,723,648.80x = 53,938,949,127,576,336 - Step 5: Solve for x
x = 53,938,949,127,576,336/317,723,648.80 - Step 6: Final answer
x = 169,766,869.20
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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.