Finding the Fourth Proportional to 231,766,357,075.20, 347,649,535,612.80 and 125,699,236,531.20
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Solution
The fourth proportional to 231,766,357,075.20, 347,649,535,612.80 and 125,699,236,531.20 is: 188,548,854,796.80
Step by Step Solution
- Step 1: Write the proportion equation
231,766,357,075.20 : 347,649,535,612.80 = 125,699,236,531.20 : x - Step 2: Convert to fraction form
231,766,357,075.20/347,649,535,612.80 = 125,699,236,531.20/x - Step 3: Cross multiply
231,766,357,075.20x = 347,649,535,612.80 × 125,699,236,531.20 - Step 4: Simplify right side
231,766,357,075.20x = 43,699,281,206,955,183,439,872 - Step 5: Solve for x
x = 43,699,281,206,955,183,439,872/231,766,357,075.20 - Step 6: Final answer
x = 188,548,854,796.80
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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.