Finding the Fourth Proportional to 293,093,568.84, 439,641,869.70 and 171,839,990.28
Calculator
Solution
The fourth proportional to 293,093,568.84, 439,641,869.70 and 171,839,990.28 is: 257,760,874.50
Step by Step Solution
- Step 1: Write the proportion equation
293,093,568.84 : 439,641,869.70 = 171,839,990.28 : x - Step 2: Convert to fraction form
293,093,568.84/439,641,869.70 = 171,839,990.28/x - Step 3: Cross multiply
293,093,568.84x = 439,641,869.70 × 171,839,990.28 - Step 4: Simplify right side
293,093,568.84x = 75,548,054,615,929,024 - Step 5: Solve for x
x = 75,548,054,615,929,024/293,093,568.84 - Step 6: Final answer
x = 257,760,874.50
Related Problems
Find fourth proportional to 146,546,784.42, 219,820,934.85 and 85,919,995.14
Half scale
Find fourth proportional to 586,187,137.68, 879,283,739.40 and 343,679,980.56
Double scale
Find fourth proportional to 293,093,569.84, 439,641,871.20 and 171,839,991.28
Similar ratio
Find fourth proportional to 439,640,353.26, 659,462,804.55 and 257,759,985.42
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.