Finding the Fourth Proportional to 317,732,058, 438,369,463.08 and 193,910,766.48
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Solution
The fourth proportional to 317,732,058, 438,369,463.08 and 193,910,766.48 is: 267,535,353.92
Step by Step Solution
- Step 1: Write the proportion equation
317,732,058 : 438,369,463.08 = 193,910,766.48 : x - Step 2: Convert to fraction form
317,732,058/438,369,463.08 = 193,910,766.48/x - Step 3: Cross multiply
317,732,058x = 438,369,463.08 × 193,910,766.48 - Step 4: Simplify right side
317,732,058x = 85,004,558,587,268,848 - Step 5: Solve for x
x = 85,004,558,587,268,848/317,732,058 - Step 6: Final answer
x = 267,535,353.92
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1.5x scale
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.