Finding the Fourth Proportional to 411,954,961.64, 568,498,076.68 and 226,327,934.76
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Solution
The fourth proportional to 411,954,961.64, 568,498,076.68 and 226,327,934.76 is: 312,332,676.12
Step by Step Solution
- Step 1: Write the proportion equation
411,954,961.64 : 568,498,076.68 = 226,327,934.76 : x - Step 2: Convert to fraction form
411,954,961.64/568,498,076.68 = 226,327,934.76/x - Step 3: Cross multiply
411,954,961.64x = 568,498,076.68 × 226,327,934.76 - Step 4: Simplify right side
411,954,961.64x = 128,666,995,610,016,496 - Step 5: Solve for x
x = 128,666,995,610,016,496/411,954,961.64 - Step 6: Final answer
x = 312,332,676.12
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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.