Finding the Fourth Proportional to 303,632,107.09, 418,699,139.75 and 259,724,465.17
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Solution
The fourth proportional to 303,632,107.09, 418,699,139.75 and 259,724,465.17 is: 358,151,880.51
Step by Step Solution
- Step 1: Write the proportion equation
303,632,107.09 : 418,699,139.75 = 259,724,465.17 : x - Step 2: Convert to fraction form
303,632,107.09/418,699,139.75 = 259,724,465.17/x - Step 3: Cross multiply
303,632,107.09x = 418,699,139.75 × 259,724,465.17 - Step 4: Simplify right side
303,632,107.09x = 108,746,410,137,333,840 - Step 5: Solve for x
x = 108,746,410,137,333,840/303,632,107.09 - Step 6: Final answer
x = 358,151,880.51
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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.