Finding the Fourth Proportional to 366,652,848.45, 505,973,914.16 and 201,640,417.95
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Solution
The fourth proportional to 366,652,848.45, 505,973,914.16 and 201,640,417.95 is: 278,259,917.94
Step by Step Solution
- Step 1: Write the proportion equation
366,652,848.45 : 505,973,914.16 = 201,640,417.95 : x - Step 2: Convert to fraction form
366,652,848.45/505,973,914.16 = 201,640,417.95/x - Step 3: Cross multiply
366,652,848.45x = 505,973,914.16 × 201,640,417.95 - Step 4: Simplify right side
366,652,848.45x = 102,024,791,522,011,616 - Step 5: Solve for x
x = 102,024,791,522,011,616/366,652,848.45 - Step 6: Final answer
x = 278,259,917.94
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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.