Finding the Fourth Proportional to 3,879,822,761.64, 5,354,157,559.40 and 2,095,676,206.56
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Solution
The fourth proportional to 3,879,822,761.64, 5,354,157,559.40 and 2,095,676,206.56 is: 2,892,034,325.47
Step by Step Solution
- Step 1: Write the proportion equation
3,879,822,761.64 : 5,354,157,559.40 = 2,095,676,206.56 : x - Step 2: Convert to fraction form
3,879,822,761.64/5,354,157,559.40 = 2,095,676,206.56/x - Step 3: Cross multiply
3,879,822,761.64x = 5,354,157,559.40 × 2,095,676,206.56 - Step 4: Simplify right side
3,879,822,761.64x = 11,220,580,603,407,939,584 - Step 5: Solve for x
x = 11,220,580,603,407,939,584/3,879,822,761.64 - Step 6: Final answer
x = 2,892,034,325.47
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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.