Finding the Fourth Proportional to 7,112,502,883.75, 10,664,618,882.78 and 2,691,263,850.51
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Solution
The fourth proportional to 7,112,502,883.75, 10,664,618,882.78 and 2,691,263,850.51 is: 4,035,330,986.55
Step by Step Solution
- Step 1: Write the proportion equation
7,112,502,883.75 : 10,664,618,882.78 = 2,691,263,850.51 : x - Step 2: Convert to fraction form
7,112,502,883.75/10,664,618,882.78 = 2,691,263,850.51/x - Step 3: Cross multiply
7,112,502,883.75x = 10,664,618,882.78 × 2,691,263,850.51 - Step 4: Simplify right side
7,112,502,883.75x = 28,701,303,278,692,159,488 - Step 5: Solve for x
x = 28,701,303,278,692,159,488/7,112,502,883.75 - Step 6: Final answer
x = 4,035,330,986.55
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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.