Finding the Fourth Proportional to 682,677,587.97, 942,096,709.03 and 369,415,163.43
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Solution
The fourth proportional to 682,677,587.97, 942,096,709.03 and 369,415,163.43 is: 509,793,811.70
Step by Step Solution
- Step 1: Write the proportion equation
682,677,587.97 : 942,096,709.03 = 369,415,163.43 : x - Step 2: Convert to fraction form
682,677,587.97/942,096,709.03 = 369,415,163.43/x - Step 3: Cross multiply
682,677,587.97x = 942,096,709.03 × 369,415,163.43 - Step 4: Simplify right side
682,677,587.97x = 348,024,809,737,177,216 - Step 5: Solve for x
x = 348,024,809,737,177,216/682,677,587.97 - Step 6: Final answer
x = 509,793,811.70
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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.