Finding the Fourth Proportional to 349,598,115.10, 488,530,368.50 and 349,598,115.10
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Solution
The fourth proportional to 349,598,115.10, 488,530,368.50 and 349,598,115.10 is: 488,530,368.50
Step by Step Solution
- Step 1: Write the proportion equation
349,598,115.10 : 488,530,368.50 = 349,598,115.10 : x - Step 2: Convert to fraction form
349,598,115.10/488,530,368.50 = 349,598,115.10/x - Step 3: Cross multiply
349,598,115.10x = 488,530,368.50 × 349,598,115.10 - Step 4: Simplify right side
349,598,115.10x = 170,789,295,996,708,416 - Step 5: Solve for x
x = 170,789,295,996,708,416/349,598,115.10 - Step 6: Final answer
x = 488,530,368.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.