Finding the Fourth Proportional to 366,652,838.70, 505,973,900.70 and 201,640,408.20
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Solution
The fourth proportional to 366,652,838.70, 505,973,900.70 and 201,640,408.20 is: 278,259,904.48
Step by Step Solution
- Step 1: Write the proportion equation
366,652,838.70 : 505,973,900.70 = 201,640,408.20 : x - Step 2: Convert to fraction form
366,652,838.70/505,973,900.70 = 201,640,408.20/x - Step 3: Cross multiply
366,652,838.70x = 505,973,900.70 × 201,640,408.20 - Step 4: Simplify right side
366,652,838.70x = 102,024,783,875,694,256 - Step 5: Solve for x
x = 102,024,783,875,694,256/366,652,838.70 - Step 6: Final answer
x = 278,259,904.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.