Finding the Fourth Proportional to 851,823,936.63, 1,277,608,027.41 and 269,482,515.57
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Solution
The fourth proportional to 851,823,936.63, 1,277,608,027.41 and 269,482,515.57 is: 404,183,318.09
Step by Step Solution
- Step 1: Write the proportion equation
851,823,936.63 : 1,277,608,027.41 = 269,482,515.57 : x - Step 2: Convert to fraction form
851,823,936.63/1,277,608,027.41 = 269,482,515.57/x - Step 3: Cross multiply
851,823,936.63x = 1,277,608,027.41 × 269,482,515.57 - Step 4: Simplify right side
851,823,936.63x = 344,293,025,138,872,320 - Step 5: Solve for x
x = 344,293,025,138,872,320/851,823,936.63 - Step 6: Final answer
x = 404,183,318.09
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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.