Finding the Fourth Proportional to 944,784,871.60, 1,417,177,307.40 and 864,430,992.40
Calculator
Solution
The fourth proportional to 944,784,871.60, 1,417,177,307.40 and 864,430,992.40 is: 1,296,646,488.60
Step by Step Solution
- Step 1: Write the proportion equation
944,784,871.60 : 1,417,177,307.40 = 864,430,992.40 : x - Step 2: Convert to fraction form
944,784,871.60/1,417,177,307.40 = 864,430,992.40/x - Step 3: Cross multiply
944,784,871.60x = 1,417,177,307.40 × 864,430,992.40 - Step 4: Simplify right side
944,784,871.60x = 1,225,051,986,242,541,824 - Step 5: Solve for x
x = 1,225,051,986,242,541,824/944,784,871.60 - Step 6: Final answer
x = 1,296,646,488.60
Related Problems
Find fourth proportional to 472,392,435.80, 708,588,653.70 and 432,215,496.20
Half scale
Find fourth proportional to 1,889,569,743.20, 2,834,354,614.80 and 1,728,861,984.80
Double scale
Find fourth proportional to 944,784,872.60, 1,417,177,308.90 and 864,430,993.40
Similar ratio
Find fourth proportional to 1,417,177,307.40, 2,125,765,961.10 and 1,296,646,488.60
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.