Finding the Fourth Proportional to 768,750,546.40, 1,060,862,642.16 and 416,323,673.44
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Solution
The fourth proportional to 768,750,546.40, 1,060,862,642.16 and 416,323,673.44 is: 574,519,568.50
Step by Step Solution
- Step 1: Write the proportion equation
768,750,546.40 : 1,060,862,642.16 = 416,323,673.44 : x - Step 2: Convert to fraction form
768,750,546.40/1,060,862,642.16 = 416,323,673.44/x - Step 3: Cross multiply
768,750,546.40x = 1,060,862,642.16 × 416,323,673.44 - Step 4: Simplify right side
768,750,546.40x = 441,662,232,199,315,392 - Step 5: Solve for x
x = 441,662,232,199,315,392/768,750,546.40 - Step 6: Final answer
x = 574,519,568.50
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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.