Home / 1,393,848,285.30-2,088,253,003.95-811,105,514.10

Finding the Fourth Proportional to 1,393,848,285.30, 2,088,253,003.95 and 811,105,514.10

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Solution

The fourth proportional to 1,393,848,285.30, 2,088,253,003.95 and 811,105,514.10 is: 1,215,192,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,848,285.30 : 2,088,253,003.95 = 811,105,514.10 : x
  2. Step 2: Convert to fraction form
    1,393,848,285.30/2,088,253,003.95 = 811,105,514.10/x
  3. Step 3: Cross multiply
    1,393,848,285.30x = 2,088,253,003.95 × 811,105,514.10
  4. Step 4: Simplify right side
    1,393,848,285.30x = 1,693,793,526,339,734,272
  5. Step 5: Solve for x
    x = 1,693,793,526,339,734,272/1,393,848,285.30
  6. Step 6: Final answer
    x = 1,215,192,172.78

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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.