Finding the Fourth Proportional to 1,037,270,374.20, 1,431,416,273.76 and 567,367,584.84
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Solution
The fourth proportional to 1,037,270,374.20, 1,431,416,273.76 and 567,367,584.84 is: 782,958,054.47
Step by Step Solution
- Step 1: Write the proportion equation
1,037,270,374.20 : 1,431,416,273.76 = 567,367,584.84 : x - Step 2: Convert to fraction form
1,037,270,374.20/1,431,416,273.76 = 567,367,584.84/x - Step 3: Cross multiply
1,037,270,374.20x = 1,431,416,273.76 × 567,367,584.84 - Step 4: Simplify right side
1,037,270,374.20x = 812,139,194,143,883,520 - Step 5: Solve for x
x = 812,139,194,143,883,520/1,037,270,374.20 - Step 6: Final answer
x = 782,958,054.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.