Finding the Fourth Proportional to 392,203,574,125.60, 587,375,552,014.80 and 392,203,574,125.60
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Solution
The fourth proportional to 392,203,574,125.60, 587,375,552,014.80 and 392,203,574,125.60 is: 587,375,552,014.80
Step by Step Solution
- Step 1: Write the proportion equation
392,203,574,125.60 : 587,375,552,014.80 = 392,203,574,125.60 : x - Step 2: Convert to fraction form
392,203,574,125.60/587,375,552,014.80 = 392,203,574,125.60/x - Step 3: Cross multiply
392,203,574,125.60x = 587,375,552,014.80 × 392,203,574,125.60 - Step 4: Simplify right side
392,203,574,125.60x = 230,370,790,854,201,838,665,728 - Step 5: Solve for x
x = 230,370,790,854,201,838,665,728/392,203,574,125.60 - Step 6: Final answer
x = 587,375,552,014.80
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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.