Finding the Fourth Proportional to 269,139,079.20, 371,412,092 and 145,379,811
Calculator
Solution
The fourth proportional to 269,139,079.20, 371,412,092 and 145,379,811 is: 200,624,227.07
Step by Step Solution
- Step 1: Write the proportion equation
269,139,079.20 : 371,412,092 = 145,379,811 : x - Step 2: Convert to fraction form
269,139,079.20/371,412,092 = 145,379,811/x - Step 3: Cross multiply
269,139,079.20x = 371,412,092 × 145,379,811 - Step 4: Simplify right side
269,139,079.20x = 53,995,819,738,074,608 - Step 5: Solve for x
x = 53,995,819,738,074,608/269,139,079.20 - Step 6: Final answer
x = 200,624,227.07
Related Problems
Find fourth proportional to 134,569,539.60, 185,706,046 and 72,689,905.50
Half scale
Find fourth proportional to 538,278,158.40, 742,824,184 and 290,759,622
Double scale
Find fourth proportional to 269,139,080.20, 371,412,093.38 and 145,379,812
Similar ratio
Find fourth proportional to 403,708,618.80, 557,118,138 and 218,069,716.50
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.