Finding the Fourth Proportional to 818,161,285.64, 1,227,246,516.36 and 272,901,322.76
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Solution
The fourth proportional to 818,161,285.64, 1,227,246,516.36 and 272,901,322.76 is: 409,353,514.45
Step by Step Solution
- Step 1: Write the proportion equation
818,161,285.64 : 1,227,246,516.36 = 272,901,322.76 : x - Step 2: Convert to fraction form
818,161,285.64/1,227,246,516.36 = 272,901,322.76/x - Step 3: Cross multiply
818,161,285.64x = 1,227,246,516.36 × 272,901,322.76 - Step 4: Simplify right side
818,161,285.64x = 334,917,197,667,245,952 - Step 5: Solve for x
x = 334,917,197,667,245,952/818,161,285.64 - Step 6: Final answer
x = 409,353,514.45
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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.