Finding the Fourth Proportional to 2,197,811,709.66, 3,297,227,489.06 and 723,898,625.64
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Solution
The fourth proportional to 2,197,811,709.66, 3,297,227,489.06 and 723,898,625.64 is: 1,086,015,893.56
Step by Step Solution
- Step 1: Write the proportion equation
2,197,811,709.66 : 3,297,227,489.06 = 723,898,625.64 : x - Step 2: Convert to fraction form
2,197,811,709.66/3,297,227,489.06 = 723,898,625.64/x - Step 3: Cross multiply
2,197,811,709.66x = 3,297,227,489.06 × 723,898,625.64 - Step 4: Simplify right side
2,197,811,709.66x = 2,386,858,447,749,342,720 - Step 5: Solve for x
x = 2,386,858,447,749,342,720/2,197,811,709.66 - Step 6: Final answer
x = 1,086,015,893.56
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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.