Finding the Fourth Proportional to 522,398,585.94, 720,888,434.64 and 284,244,750.69
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Solution
The fourth proportional to 522,398,585.94, 720,888,434.64 and 284,244,750.69 is: 392,245,995.48
Step by Step Solution
- Step 1: Write the proportion equation
522,398,585.94 : 720,888,434.64 = 284,244,750.69 : x - Step 2: Convert to fraction form
522,398,585.94/720,888,434.64 = 284,244,750.69/x - Step 3: Cross multiply
522,398,585.94x = 720,888,434.64 × 284,244,750.69 - Step 4: Simplify right side
522,398,585.94x = 204,908,753,379,551,168 - Step 5: Solve for x
x = 204,908,753,379,551,168/522,398,585.94 - Step 6: Final answer
x = 392,245,995.48
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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.