Finding the Fourth Proportional to 533,542,471.13, 736,288,610.16 and 289,355,335.13
Calculator
Solution
The fourth proportional to 533,542,471.13, 736,288,610.16 and 289,355,335.13 is: 399,310,362.48
Step by Step Solution
- Step 1: Write the proportion equation
533,542,471.13 : 736,288,610.16 = 289,355,335.13 : x - Step 2: Convert to fraction form
533,542,471.13/736,288,610.16 = 289,355,335.13/x - Step 3: Cross multiply
533,542,471.13x = 736,288,610.16 × 289,355,335.13 - Step 4: Simplify right side
533,542,471.13x = 213,049,037,541,567,264 - Step 5: Solve for x
x = 213,049,037,541,567,264/533,542,471.13 - Step 6: Final answer
x = 399,310,362.48
Related Problems
Find fourth proportional to 266,771,235.56, 368,144,305.08 and 144,677,667.56
Half scale
Find fourth proportional to 1,067,084,942.25, 1,472,577,220.32 and 578,710,670.25
Double scale
Find fourth proportional to 533,542,472.13, 736,288,611.54 and 289,355,336.13
Similar ratio
Find fourth proportional to 800,313,706.69, 1,104,432,915.24 and 434,033,002.69
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.