Finding the Fourth Proportional to 432,378,251.51, 648,433,236.90 and 155,993,536.26
Calculator
Solution
The fourth proportional to 432,378,251.51, 648,433,236.90 and 155,993,536.26 is: 233,941,909.20
Step by Step Solution
- Step 1: Write the proportion equation
432,378,251.51 : 648,433,236.90 = 155,993,536.26 : x - Step 2: Convert to fraction form
432,378,251.51/648,433,236.90 = 155,993,536.26/x - Step 3: Cross multiply
432,378,251.51x = 648,433,236.90 × 155,993,536.26 - Step 4: Simplify right side
432,378,251.51x = 101,151,393,653,134,288 - Step 5: Solve for x
x = 101,151,393,653,134,288/432,378,251.51 - Step 6: Final answer
x = 233,941,909.20
Related Problems
Find fourth proportional to 216,189,125.75, 324,216,618.45 and 77,996,768.13
Half scale
Find fourth proportional to 864,756,503.01, 1,296,866,473.81 and 311,987,072.52
Double scale
Find fourth proportional to 432,378,252.51, 648,433,238.40 and 155,993,537.26
Similar ratio
Find fourth proportional to 648,567,377.26, 972,649,855.36 and 233,990,304.39
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.