Finding the Fourth Proportional to 378,622,604.16, 566,439,592.32 and 286,770,936.96
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Solution
The fourth proportional to 378,622,604.16, 566,439,592.32 and 286,770,936.96 is: 429,024,603.49
Step by Step Solution
- Step 1: Write the proportion equation
378,622,604.16 : 566,439,592.32 = 286,770,936.96 : x - Step 2: Convert to fraction form
378,622,604.16/566,439,592.32 = 286,770,936.96/x - Step 3: Cross multiply
378,622,604.16x = 566,439,592.32 × 286,770,936.96 - Step 4: Simplify right side
378,622,604.16x = 162,438,412,620,846,816 - Step 5: Solve for x
x = 162,438,412,620,846,816/378,622,604.16 - Step 6: Final answer
x = 429,024,603.49
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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.