Finding the Fourth Proportional to 484,977,982.68, 669,269,884.08 and 261,959,662.92
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Solution
The fourth proportional to 484,977,982.68, 669,269,884.08 and 261,959,662.92 is: 361,504,479.58
Step by Step Solution
- Step 1: Write the proportion equation
484,977,982.68 : 669,269,884.08 = 261,959,662.92 : x - Step 2: Convert to fraction form
484,977,982.68/669,269,884.08 = 261,959,662.92/x - Step 3: Cross multiply
484,977,982.68x = 669,269,884.08 × 261,959,662.92 - Step 4: Simplify right side
484,977,982.68x = 175,321,713,236,104,288 - Step 5: Solve for x
x = 175,321,713,236,104,288/484,977,982.68 - Step 6: Final answer
x = 361,504,479.58
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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.