Finding the Fourth Proportional to 426,816,535.16, 588,826,457.70 and 285,733,207.28
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Solution
The fourth proportional to 426,816,535.16, 588,826,457.70 and 285,733,207.28 is: 394,191,083.12
Step by Step Solution
- Step 1: Write the proportion equation
426,816,535.16 : 588,826,457.70 = 285,733,207.28 : x - Step 2: Convert to fraction form
426,816,535.16/588,826,457.70 = 285,733,207.28/x - Step 3: Cross multiply
426,816,535.16x = 588,826,457.70 × 285,733,207.28 - Step 4: Simplify right side
426,816,535.16x = 168,247,272,289,942,240 - Step 5: Solve for x
x = 168,247,272,289,942,240/426,816,535.16 - Step 6: Final answer
x = 394,191,083.12
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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.