Finding the Fourth Proportional to 346,616,845.40, 478,382,585.16 and 219,469,341.84
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Solution
The fourth proportional to 346,616,845.40, 478,382,585.16 and 219,469,341.84 is: 302,900,198.03
Step by Step Solution
- Step 1: Write the proportion equation
346,616,845.40 : 478,382,585.16 = 219,469,341.84 : x - Step 2: Convert to fraction form
346,616,845.40/478,382,585.16 = 219,469,341.84/x - Step 3: Cross multiply
346,616,845.40x = 478,382,585.16 × 219,469,341.84 - Step 4: Simplify right side
346,616,845.40x = 104,990,311,112,782,960 - Step 5: Solve for x
x = 104,990,311,112,782,960/346,616,845.40 - Step 6: Final answer
x = 302,900,198.03
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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.