Finding the Fourth Proportional to 293,623,805.61, 405,202,959.65 and 159,660,761.91
Calculator
Solution
The fourth proportional to 293,623,805.61, 405,202,959.65 and 159,660,761.91 is: 220,332,997.63
Step by Step Solution
- Step 1: Write the proportion equation
293,623,805.61 : 405,202,959.65 = 159,660,761.91 : x - Step 2: Convert to fraction form
293,623,805.61/405,202,959.65 = 159,660,761.91/x - Step 3: Cross multiply
293,623,805.61x = 405,202,959.65 × 159,660,761.91 - Step 4: Simplify right side
293,623,805.61x = 64,695,013,265,905,984 - Step 5: Solve for x
x = 64,695,013,265,905,984/293,623,805.61 - Step 6: Final answer
x = 220,332,997.63
Related Problems
Find fourth proportional to 146,811,902.81, 202,601,479.83 and 79,830,380.96
Half scale
Find fourth proportional to 587,247,611.22, 810,405,919.30 and 319,321,523.82
Double scale
Find fourth proportional to 293,623,806.61, 405,202,961.03 and 159,660,762.91
Similar ratio
Find fourth proportional to 440,435,708.42, 607,804,439.48 and 239,491,142.87
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.