Finding the Fourth Proportional to 508,112,455.38, 762,214,076.97 and 158,361,487.08
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Solution
The fourth proportional to 508,112,455.38, 762,214,076.97 and 158,361,487.08 is: 237,556,378.37
Step by Step Solution
- Step 1: Write the proportion equation
508,112,455.38 : 762,214,076.97 = 158,361,487.08 : x - Step 2: Convert to fraction form
508,112,455.38/762,214,076.97 = 158,361,487.08/x - Step 3: Cross multiply
508,112,455.38x = 762,214,076.97 × 158,361,487.08 - Step 4: Simplify right side
508,112,455.38x = 120,705,354,702,278,800 - Step 5: Solve for x
x = 120,705,354,702,278,800/508,112,455.38 - Step 6: Final answer
x = 237,556,378.37
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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.