Finding the Fourth Proportional to 871,346,110.60, 1,222,945,655 and 871,346,110.60
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Solution
The fourth proportional to 871,346,110.60, 1,222,945,655 and 871,346,110.60 is: 1,222,945,655
Step by Step Solution
- Step 1: Write the proportion equation
871,346,110.60 : 1,222,945,655 = 871,346,110.60 : x - Step 2: Convert to fraction form
871,346,110.60/1,222,945,655 = 871,346,110.60/x - Step 3: Cross multiply
871,346,110.60x = 1,222,945,655 × 871,346,110.60 - Step 4: Simplify right side
871,346,110.60x = 1,065,608,939,959,419,520 - Step 5: Solve for x
x = 1,065,608,939,959,419,520/871,346,110.60 - Step 6: Final answer
x = 1,222,945,655
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.