Finding the Fourth Proportional to 818,161,286.64, 1,227,246,517.86 and 272,901,323.76
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Solution
The fourth proportional to 818,161,286.64, 1,227,246,517.86 and 272,901,323.76 is: 409,353,515.95
Step by Step Solution
- Step 1: Write the proportion equation
818,161,286.64 : 1,227,246,517.86 = 272,901,323.76 : x - Step 2: Convert to fraction form
818,161,286.64/1,227,246,517.86 = 272,901,323.76/x - Step 3: Cross multiply
818,161,286.64x = 1,227,246,517.86 × 272,901,323.76 - Step 4: Simplify right side
818,161,286.64x = 334,917,199,303,844,416 - Step 5: Solve for x
x = 334,917,199,303,844,416/818,161,286.64 - Step 6: Final answer
x = 409,353,515.95
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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.