Finding the Fourth Proportional to 5,384,263,763.09, 7,431,523,739.31 and 3,157,313,396.69
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Solution
The fourth proportional to 5,384,263,763.09, 7,431,523,739.31 and 3,157,313,396.69 is: 4,357,819,470.28
Step by Step Solution
- Step 1: Write the proportion equation
5,384,263,763.09 : 7,431,523,739.31 = 3,157,313,396.69 : x - Step 2: Convert to fraction form
5,384,263,763.09/7,431,523,739.31 = 3,157,313,396.69/x - Step 3: Cross multiply
5,384,263,763.09x = 7,431,523,739.31 × 3,157,313,396.69 - Step 4: Simplify right side
5,384,263,763.09x = 23,463,649,459,913,445,376 - Step 5: Solve for x
x = 23,463,649,459,913,445,376/5,384,263,763.09 - Step 6: Final answer
x = 4,357,819,470.28
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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.