Finding the Fourth Proportional to 2,911,648,220.32, 4,369,198,135.92 and 1,072,691,249.44
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Solution
The fourth proportional to 2,911,648,220.32, 4,369,198,135.92 and 1,072,691,249.44 is: 1,609,672,684.62
Step by Step Solution
- Step 1: Write the proportion equation
2,911,648,220.32 : 4,369,198,135.92 = 1,072,691,249.44 : x - Step 2: Convert to fraction form
2,911,648,220.32/4,369,198,135.92 = 1,072,691,249.44/x - Step 3: Cross multiply
2,911,648,220.32x = 4,369,198,135.92 × 1,072,691,249.44 - Step 4: Simplify right side
2,911,648,220.32x = 4,686,800,607,470,944,256 - Step 5: Solve for x
x = 4,686,800,607,470,944,256/2,911,648,220.32 - Step 6: Final answer
x = 1,609,672,684.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.