Finding the Fourth Proportional to 276,438,214, 381,482,223.84 and 150,990,383.80
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Solution
The fourth proportional to 276,438,214, 381,482,223.84 and 150,990,383.80 is: 208,365,357.88
Step by Step Solution
- Step 1: Write the proportion equation
276,438,214 : 381,482,223.84 = 150,990,383.80 : x - Step 2: Convert to fraction form
276,438,214/381,482,223.84 = 150,990,383.80/x - Step 3: Cross multiply
276,438,214x = 381,482,223.84 × 150,990,383.80 - Step 4: Simplify right side
276,438,214x = 57,600,147,390,479,112 - Step 5: Solve for x
x = 57,600,147,390,479,112/276,438,214 - Step 6: Final answer
x = 208,365,357.88
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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.