Finding the Fourth Proportional to 348,512,453.70, 522,768,680.55 and 348,512,453.70
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Solution
The fourth proportional to 348,512,453.70, 522,768,680.55 and 348,512,453.70 is: 522,768,680.55
Step by Step Solution
- Step 1: Write the proportion equation
348,512,453.70 : 522,768,680.55 = 348,512,453.70 : x - Step 2: Convert to fraction form
348,512,453.70/522,768,680.55 = 348,512,453.70/x - Step 3: Cross multiply
348,512,453.70x = 522,768,680.55 × 348,512,453.70 - Step 4: Simplify right side
348,512,453.70x = 182,191,395,575,991,968 - Step 5: Solve for x
x = 182,191,395,575,991,968/348,512,453.70 - Step 6: Final answer
x = 522,768,680.55
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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.