Finding the Fourth Proportional to 944,814,538.80, 1,417,221,808.20 and 863,185,201.20
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Solution
The fourth proportional to 944,814,538.80, 1,417,221,808.20 and 863,185,201.20 is: 1,294,777,801.80
Step by Step Solution
- Step 1: Write the proportion equation
944,814,538.80 : 1,417,221,808.20 = 863,185,201.20 : x - Step 2: Convert to fraction form
944,814,538.80/1,417,221,808.20 = 863,185,201.20/x - Step 3: Cross multiply
944,814,538.80x = 1,417,221,808.20 × 863,185,201.20 - Step 4: Simplify right side
944,814,538.80x = 1,223,324,891,656,144,896 - Step 5: Solve for x
x = 1,223,324,891,656,144,896/944,814,538.80 - Step 6: Final answer
x = 1,294,777,801.80
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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.