Finding the Fourth Proportional to 202,211,998.80, 303,317,998.38 and 202,211,998.80
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Solution
The fourth proportional to 202,211,998.80, 303,317,998.38 and 202,211,998.80 is: 303,317,998.38
Step by Step Solution
- Step 1: Write the proportion equation
202,211,998.80 : 303,317,998.38 = 202,211,998.80 : x - Step 2: Convert to fraction form
202,211,998.80/303,317,998.38 = 202,211,998.80/x - Step 3: Cross multiply
202,211,998.80x = 303,317,998.38 × 202,211,998.80 - Step 4: Simplify right side
202,211,998.80x = 61,334,538,724,434,968 - Step 5: Solve for x
x = 61,334,538,724,434,968/202,211,998.80 - Step 6: Final answer
x = 303,317,998.38
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1.5x scale
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.