Finding the Fourth Proportional to 359,393,725.98, 539,150,217.66 and 126,163,980
Calculator
Solution
The fourth proportional to 359,393,725.98, 539,150,217.66 and 126,163,980 is: 189,266,902.45
Step by Step Solution
- Step 1: Write the proportion equation
359,393,725.98 : 539,150,217.66 = 126,163,980 : x - Step 2: Convert to fraction form
359,393,725.98/539,150,217.66 = 126,163,980/x - Step 3: Cross multiply
359,393,725.98x = 539,150,217.66 × 126,163,980 - Step 4: Simplify right side
359,393,725.98x = 68,021,337,277,851,880 - Step 5: Solve for x
x = 68,021,337,277,851,880/359,393,725.98 - Step 6: Final answer
x = 189,266,902.45
Related Problems
Find fourth proportional to 179,696,862.99, 269,575,108.83 and 63,081,990
Half scale
Find fourth proportional to 718,787,451.96, 1,078,300,435.32 and 252,327,960
Double scale
Find fourth proportional to 359,393,726.98, 539,150,219.16 and 126,163,981
Similar ratio
Find fourth proportional to 539,090,588.97, 808,725,326.49 and 189,245,970
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.