Finding the Fourth Proportional to 213,050,708.15, 294,213,028.16 and 201,443,867.21
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Solution
The fourth proportional to 213,050,708.15, 294,213,028.16 and 201,443,867.21 is: 278,184,525.60
Step by Step Solution
- Step 1: Write the proportion equation
213,050,708.15 : 294,213,028.16 = 201,443,867.21 : x - Step 2: Convert to fraction form
213,050,708.15/294,213,028.16 = 201,443,867.21/x - Step 3: Cross multiply
213,050,708.15x = 294,213,028.16 × 201,443,867.21 - Step 4: Simplify right side
213,050,708.15x = 59,267,410,173,636,744 - Step 5: Solve for x
x = 59,267,410,173,636,744/213,050,708.15 - Step 6: Final answer
x = 278,184,525.60
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1.5x scale
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.