Finding the Fourth Proportional to 504,478,205.92, 696,179,616.24 and 272,691,197.92
Calculator
Solution
The fourth proportional to 504,478,205.92, 696,179,616.24 and 272,691,197.92 is: 376,313,686.68
Step by Step Solution
- Step 1: Write the proportion equation
504,478,205.92 : 696,179,616.24 = 272,691,197.92 : x - Step 2: Convert to fraction form
504,478,205.92/696,179,616.24 = 272,691,197.92/x - Step 3: Cross multiply
504,478,205.92x = 696,179,616.24 × 272,691,197.92 - Step 4: Simplify right side
504,478,205.92x = 189,842,053,519,971,488 - Step 5: Solve for x
x = 189,842,053,519,971,488/504,478,205.92 - Step 6: Final answer
x = 376,313,686.68
Related Problems
Find fourth proportional to 252,239,102.96, 348,089,808.12 and 136,345,598.96
Half scale
Find fourth proportional to 1,008,956,411.84, 1,392,359,232.48 and 545,382,395.84
Double scale
Find fourth proportional to 504,478,206.92, 696,179,617.62 and 272,691,198.92
Similar ratio
Find fourth proportional to 756,717,308.88, 1,044,269,424.36 and 409,036,796.88
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.