Finding the Fourth Proportional to 378,309,202.94, 522,066,464.24 and 204,468,946.94
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Solution
The fourth proportional to 378,309,202.94, 522,066,464.24 and 204,468,946.94 is: 282,167,019.32
Step by Step Solution
- Step 1: Write the proportion equation
378,309,202.94 : 522,066,464.24 = 204,468,946.94 : x - Step 2: Convert to fraction form
378,309,202.94/522,066,464.24 = 204,468,946.94/x - Step 3: Cross multiply
378,309,202.94x = 522,066,464.24 × 204,468,946.94 - Step 4: Simplify right side
378,309,202.94x = 106,746,380,175,841,968 - Step 5: Solve for x
x = 106,746,380,175,841,968/378,309,202.94 - Step 6: Final answer
x = 282,167,019.32
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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.