Home / 1,279,041,949.68-1,918,275,951.24-588,285,561.84

Finding the Fourth Proportional to 1,279,041,949.68, 1,918,275,951.24 and 588,285,561.84

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Solution

The fourth proportional to 1,279,041,949.68, 1,918,275,951.24 and 588,285,561.84 is: 882,296,351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,041,949.68 : 1,918,275,951.24 = 588,285,561.84 : x
  2. Step 2: Convert to fraction form
    1,279,041,949.68/1,918,275,951.24 = 588,285,561.84/x
  3. Step 3: Cross multiply
    1,279,041,949.68x = 1,918,275,951.24 × 588,285,561.84
  4. Step 4: Simplify right side
    1,279,041,949.68x = 1,128,494,045,739,383,936
  5. Step 5: Solve for x
    x = 1,128,494,045,739,383,936/1,279,041,949.68
  6. Step 6: Final answer
    x = 882,296,351.59

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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.