Finding the Fourth Proportional to 306,493,466.28, 423,201,977.81 and 246,765,032.88
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Solution
The fourth proportional to 306,493,466.28, 423,201,977.81 and 246,765,032.88 is: 340,729,775.54
Step by Step Solution
- Step 1: Write the proportion equation
306,493,466.28 : 423,201,977.81 = 246,765,032.88 : x - Step 2: Convert to fraction form
306,493,466.28/423,201,977.81 = 246,765,032.88/x - Step 3: Cross multiply
306,493,466.28x = 423,201,977.81 × 246,765,032.88 - Step 4: Simplify right side
306,493,466.28x = 104,431,449,969,165,680 - Step 5: Solve for x
x = 104,431,449,969,165,680/306,493,466.28 - Step 6: Final answer
x = 340,729,775.54
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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.