Finding the Fourth Proportional to 778,922,573.80, 1,168,383,860.70 and 233,664,107.80
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Solution
The fourth proportional to 778,922,573.80, 1,168,383,860.70 and 233,664,107.80 is: 350,496,161.70
Step by Step Solution
- Step 1: Write the proportion equation
778,922,573.80 : 1,168,383,860.70 = 233,664,107.80 : x - Step 2: Convert to fraction form
778,922,573.80/1,168,383,860.70 = 233,664,107.80/x - Step 3: Cross multiply
778,922,573.80x = 1,168,383,860.70 × 233,664,107.80 - Step 4: Simplify right side
778,922,573.80x = 273,009,372,378,385,024 - Step 5: Solve for x
x = 273,009,372,378,385,024/778,922,573.80 - Step 6: Final answer
x = 350,496,161.70
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Double scale
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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.