Finding the Fourth Proportional to 314,928,534.80, 439,879,582 and 314,928,534.80
Calculator
Solution
The fourth proportional to 314,928,534.80, 439,879,582 and 314,928,534.80 is: 439,879,582
Step by Step Solution
- Step 1: Write the proportion equation
314,928,534.80 : 439,879,582 = 314,928,534.80 : x - Step 2: Convert to fraction form
314,928,534.80/439,879,582 = 314,928,534.80/x - Step 3: Cross multiply
314,928,534.80x = 439,879,582 × 314,928,534.80 - Step 4: Simplify right side
314,928,534.80x = 138,530,632,247,696,464 - Step 5: Solve for x
x = 138,530,632,247,696,464/314,928,534.80 - Step 6: Final answer
x = 439,879,582
Related Problems
Find fourth proportional to 157,464,267.40, 219,939,791 and 157,464,267.40
Half scale
Find fourth proportional to 629,857,069.60, 879,759,164 and 629,857,069.60
Double scale
Find fourth proportional to 314,928,535.80, 439,879,583.40 and 314,928,535.80
Similar ratio
Find fourth proportional to 472,392,802.20, 659,819,373 and 472,392,802.20
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.