Finding the Fourth Proportional to 682,201,505.25, 941,440,913.67 and 368,935,719.12
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Solution
The fourth proportional to 682,201,505.25, 941,440,913.67 and 368,935,719.12 is: 509,132,826.33
Step by Step Solution
- Step 1: Write the proportion equation
682,201,505.25 : 941,440,913.67 = 368,935,719.12 : x - Step 2: Convert to fraction form
682,201,505.25/941,440,913.67 = 368,935,719.12/x - Step 3: Cross multiply
682,201,505.25x = 941,440,913.67 × 368,935,719.12 - Step 4: Simplify right side
682,201,505.25x = 347,331,180,493,831,296 - Step 5: Solve for x
x = 347,331,180,493,831,296/682,201,505.25 - Step 6: Final answer
x = 509,132,826.33
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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.