Finding the Fourth Proportional to 883,103,843.80, 1,324,655,765.70 and 537,879,770.20
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Solution
The fourth proportional to 883,103,843.80, 1,324,655,765.70 and 537,879,770.20 is: 806,819,655.30
Step by Step Solution
- Step 1: Write the proportion equation
883,103,843.80 : 1,324,655,765.70 = 537,879,770.20 : x - Step 2: Convert to fraction form
883,103,843.80/1,324,655,765.70 = 537,879,770.20/x - Step 3: Cross multiply
883,103,843.80x = 1,324,655,765.70 × 537,879,770.20 - Step 4: Simplify right side
883,103,843.80x = 712,505,538,848,821,120 - Step 5: Solve for x
x = 712,505,538,848,821,120/883,103,843.80 - Step 6: Final answer
x = 806,819,655.30
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Similar ratio
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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.