Finding the Fourth Proportional to 615,168,032.40, 859,622,814 and 615,168,032.40
Calculator
Solution
The fourth proportional to 615,168,032.40, 859,622,814 and 615,168,032.40 is: 859,622,814
Step by Step Solution
- Step 1: Write the proportion equation
615,168,032.40 : 859,622,814 = 615,168,032.40 : x - Step 2: Convert to fraction form
615,168,032.40/859,622,814 = 615,168,032.40/x - Step 3: Cross multiply
615,168,032.40x = 859,622,814 × 615,168,032.40 - Step 4: Simplify right side
615,168,032.40x = 528,812,475,094,531,136 - Step 5: Solve for x
x = 528,812,475,094,531,136/615,168,032.40 - Step 6: Final answer
x = 859,622,814
Related Problems
Find fourth proportional to 307,584,016.20, 429,811,407 and 307,584,016.20
Half scale
Find fourth proportional to 1,230,336,064.80, 1,719,245,628 and 1,230,336,064.80
Double scale
Find fourth proportional to 615,168,033.40, 859,622,815.40 and 615,168,033.40
Similar ratio
Find fourth proportional to 922,752,048.60, 1,289,434,221 and 922,752,048.60
1.5x scale
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.