Finding the Fourth Proportional to 395,522,669.20, 593,284,003.80 and 375,367,277.20
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Solution
The fourth proportional to 395,522,669.20, 593,284,003.80 and 375,367,277.20 is: 563,050,915.80
Step by Step Solution
- Step 1: Write the proportion equation
395,522,669.20 : 593,284,003.80 = 375,367,277.20 : x - Step 2: Convert to fraction form
395,522,669.20/593,284,003.80 = 375,367,277.20/x - Step 3: Cross multiply
395,522,669.20x = 593,284,003.80 × 375,367,277.20 - Step 4: Simplify right side
395,522,669.20x = 222,699,401,112,720,416 - Step 5: Solve for x
x = 222,699,401,112,720,416/395,522,669.20 - Step 6: Final answer
x = 563,050,915.80
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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.