Finding the Fourth Proportional to 343,512,043.20, 515,268,064.80 and 343,512,043.20
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Solution
The fourth proportional to 343,512,043.20, 515,268,064.80 and 343,512,043.20 is: 515,268,064.80
Step by Step Solution
- Step 1: Write the proportion equation
343,512,043.20 : 515,268,064.80 = 343,512,043.20 : x - Step 2: Convert to fraction form
343,512,043.20/515,268,064.80 = 343,512,043.20/x - Step 3: Cross multiply
343,512,043.20x = 515,268,064.80 × 343,512,043.20 - Step 4: Simplify right side
343,512,043.20x = 177,000,785,735,157,984 - Step 5: Solve for x
x = 177,000,785,735,157,984/343,512,043.20 - Step 6: Final answer
x = 515,268,064.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.