Finding the Fourth Proportional to 533,845,643.30, 800,768,464.95 and 419,183,857.70
Calculator
Solution
The fourth proportional to 533,845,643.30, 800,768,464.95 and 419,183,857.70 is: 628,775,786.55
Step by Step Solution
- Step 1: Write the proportion equation
533,845,643.30 : 800,768,464.95 = 419,183,857.70 : x - Step 2: Convert to fraction form
533,845,643.30/800,768,464.95 = 419,183,857.70/x - Step 3: Cross multiply
533,845,643.30x = 800,768,464.95 × 419,183,857.70 - Step 4: Simplify right side
533,845,643.30x = 335,669,214,262,248,256 - Step 5: Solve for x
x = 335,669,214,262,248,256/533,845,643.30 - Step 6: Final answer
x = 628,775,786.55
Related Problems
Find fourth proportional to 266,922,821.65, 400,384,232.48 and 209,591,928.85
Half scale
Find fourth proportional to 1,067,691,286.60, 1,601,536,929.90 and 838,367,715.40
Double scale
Find fourth proportional to 533,845,644.30, 800,768,466.45 and 419,183,858.70
Similar ratio
Find fourth proportional to 800,768,464.95, 1,201,152,697.43 and 628,775,786.55
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.