Finding the Fourth Proportional to 2,079,853,879.40, 2,868,524,778.32 and 1,828,420,673.12
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Solution
The fourth proportional to 2,079,853,879.40, 2,868,524,778.32 and 1,828,420,673.12 is: 2,521,749,271.90
Step by Step Solution
- Step 1: Write the proportion equation
2,079,853,879.40 : 2,868,524,778.32 = 1,828,420,673.12 : x - Step 2: Convert to fraction form
2,079,853,879.40/2,868,524,778.32 = 1,828,420,673.12/x - Step 3: Cross multiply
2,079,853,879.40x = 2,868,524,778.32 × 1,828,420,673.12 - Step 4: Simplify right side
2,079,853,879.40x = 5,244,870,006,037,253,120 - Step 5: Solve for x
x = 5,244,870,006,037,253,120/2,079,853,879.40 - Step 6: Final answer
x = 2,521,749,271.90
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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.