Finding the Fourth Proportional to 575,206,481.80, 862,809,722.70 and 479,547,101.80
Calculator
Solution
The fourth proportional to 575,206,481.80, 862,809,722.70 and 479,547,101.80 is: 719,320,652.70
Step by Step Solution
- Step 1: Write the proportion equation
575,206,481.80 : 862,809,722.70 = 479,547,101.80 : x - Step 2: Convert to fraction form
575,206,481.80/862,809,722.70 = 479,547,101.80/x - Step 3: Cross multiply
575,206,481.80x = 862,809,722.70 × 479,547,101.80 - Step 4: Simplify right side
575,206,481.80x = 413,757,901,925,646,720 - Step 5: Solve for x
x = 413,757,901,925,646,720/575,206,481.80 - Step 6: Final answer
x = 719,320,652.70
Related Problems
Find fourth proportional to 287,603,240.90, 431,404,861.35 and 239,773,550.90
Half scale
Find fourth proportional to 1,150,412,963.60, 1,725,619,445.40 and 959,094,203.60
Double scale
Find fourth proportional to 575,206,482.80, 862,809,724.20 and 479,547,102.80
Similar ratio
Find fourth proportional to 862,809,722.70, 1,294,214,584.05 and 719,320,652.70
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.