Finding the Fourth Proportional to 308,014,819.06, 461,711,335.58 and 193,080,073.98
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Solution
The fourth proportional to 308,014,819.06, 461,711,335.58 and 193,080,073.98 is: 289,425,226.69
Step by Step Solution
- Step 1: Write the proportion equation
308,014,819.06 : 461,711,335.58 = 193,080,073.98 : x - Step 2: Convert to fraction form
308,014,819.06/461,711,335.58 = 193,080,073.98/x - Step 3: Cross multiply
308,014,819.06x = 461,711,335.58 × 193,080,073.98 - Step 4: Simplify right side
308,014,819.06x = 89,147,258,831,190,992 - Step 5: Solve for x
x = 89,147,258,831,190,992/308,014,819.06 - Step 6: Final answer
x = 289,425,226.69
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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.