Finding the Fourth Proportional to 268,889,604.60, 403,334,406.90 and 132,840,708.60
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Solution
The fourth proportional to 268,889,604.60, 403,334,406.90 and 132,840,708.60 is: 199,261,062.90
Step by Step Solution
- Step 1: Write the proportion equation
268,889,604.60 : 403,334,406.90 = 132,840,708.60 : x - Step 2: Convert to fraction form
268,889,604.60/403,334,406.90 = 132,840,708.60/x - Step 3: Cross multiply
268,889,604.60x = 403,334,406.90 × 132,840,708.60 - Step 4: Simplify right side
268,889,604.60x = 53,579,228,415,356,720 - Step 5: Solve for x
x = 53,579,228,415,356,720/268,889,604.60 - Step 6: Final answer
x = 199,261,062.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.