Finding the Fourth Proportional to 1,273,192,119.07, 1,757,005,205.33 and 708,664,847.98
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Solution
The fourth proportional to 1,273,192,119.07, 1,757,005,205.33 and 708,664,847.98 is: 977,957,535.30
Step by Step Solution
- Step 1: Write the proportion equation
1,273,192,119.07 : 1,757,005,205.33 = 708,664,847.98 : x - Step 2: Convert to fraction form
1,273,192,119.07/1,757,005,205.33 = 708,664,847.98/x - Step 3: Cross multiply
1,273,192,119.07x = 1,757,005,205.33 × 708,664,847.98 - Step 4: Simplify right side
1,273,192,119.07x = 1,245,127,826,735,252,992 - Step 5: Solve for x
x = 1,245,127,826,735,252,992/1,273,192,119.07 - Step 6: Final answer
x = 977,957,535.30
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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.