Finding the Fourth Proportional to 812,124,408.96, 1,120,733,104.32 and 440,846,691.84
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Solution
The fourth proportional to 812,124,408.96, 1,120,733,104.32 and 440,846,691.84 is: 608,369,205.54
Step by Step Solution
- Step 1: Write the proportion equation
812,124,408.96 : 1,120,733,104.32 = 440,846,691.84 : x - Step 2: Convert to fraction form
812,124,408.96/1,120,733,104.32 = 440,846,691.84/x - Step 3: Cross multiply
812,124,408.96x = 1,120,733,104.32 × 440,846,691.84 - Step 4: Simplify right side
812,124,408.96x = 494,071,481,475,045,568 - Step 5: Solve for x
x = 494,071,481,475,045,568/812,124,408.96 - Step 6: Final answer
x = 608,369,205.54
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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.