Finding the Fourth Proportional to 363,965,115, 545,947,672.50 and 121,628,019
Calculator
Solution
The fourth proportional to 363,965,115, 545,947,672.50 and 121,628,019 is: 182,442,028.50
Step by Step Solution
- Step 1: Write the proportion equation
363,965,115 : 545,947,672.50 = 121,628,019 : x - Step 2: Convert to fraction form
363,965,115/545,947,672.50 = 121,628,019/x - Step 3: Cross multiply
363,965,115x = 545,947,672.50 × 121,628,019 - Step 4: Simplify right side
363,965,115x = 66,402,533,883,835,776 - Step 5: Solve for x
x = 66,402,533,883,835,776/363,965,115 - Step 6: Final answer
x = 182,442,028.50
Related Problems
Find fourth proportional to 181,982,557.50, 272,973,836.25 and 60,814,009.50
Half scale
Find fourth proportional to 727,930,230, 1,091,895,345 and 243,256,038
Double scale
Find fourth proportional to 363,965,116, 545,947,674 and 121,628,020
Similar ratio
Find fourth proportional to 545,947,672.50, 818,921,508.75 and 182,442,028.50
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.