Finding the Fourth Proportional to 3,616,879,324.22, 4,989,869,031.74 and 2,089,958,526.98
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Solution
The fourth proportional to 3,616,879,324.22, 4,989,869,031.74 and 2,089,958,526.98 is: 2,883,319,678.81
Step by Step Solution
- Step 1: Write the proportion equation
3,616,879,324.22 : 4,989,869,031.74 = 2,089,958,526.98 : x - Step 2: Convert to fraction form
3,616,879,324.22/4,989,869,031.74 = 2,089,958,526.98/x - Step 3: Cross multiply
3,616,879,324.22x = 4,989,869,031.74 × 2,089,958,526.98 - Step 4: Simplify right side
3,616,879,324.22x = 10,428,619,331,398,449,152 - Step 5: Solve for x
x = 10,428,619,331,398,449,152/3,616,879,324.22 - Step 6: Final answer
x = 2,883,319,678.81
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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.