Finding the Fourth Proportional to 314,112,163.20, 471,168,244.80 and 122,635,939.20
Calculator
Solution
The fourth proportional to 314,112,163.20, 471,168,244.80 and 122,635,939.20 is: 183,953,908.80
Step by Step Solution
- Step 1: Write the proportion equation
314,112,163.20 : 471,168,244.80 = 122,635,939.20 : x - Step 2: Convert to fraction form
314,112,163.20/471,168,244.80 = 122,635,939.20/x - Step 3: Cross multiply
314,112,163.20x = 471,168,244.80 × 122,635,939.20 - Step 4: Simplify right side
314,112,163.20x = 57,782,160,222,263,520 - Step 5: Solve for x
x = 57,782,160,222,263,520/314,112,163.20 - Step 6: Final answer
x = 183,953,908.80
Related Problems
Find fourth proportional to 157,056,081.60, 235,584,122.40 and 61,317,969.60
Half scale
Find fourth proportional to 628,224,326.40, 942,336,489.60 and 245,271,878.40
Double scale
Find fourth proportional to 314,112,164.20, 471,168,246.30 and 122,635,940.20
Similar ratio
Find fourth proportional to 471,168,244.80, 706,752,367.20 and 183,953,908.80
1.5x scale
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.