Home / 1,279,057,027.73-1,918,768,559.07-393,817,288.36

Finding the Fourth Proportional to 1,279,057,027.73, 1,918,768,559.07 and 393,817,288.36

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Solution

The fourth proportional to 1,279,057,027.73, 1,918,768,559.07 and 393,817,288.36 is: 590,782,283.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,057,027.73 : 1,918,768,559.07 = 393,817,288.36 : x
  2. Step 2: Convert to fraction form
    1,279,057,027.73/1,918,768,559.07 = 393,817,288.36/x
  3. Step 3: Cross multiply
    1,279,057,027.73x = 1,918,768,559.07 × 393,817,288.36
  4. Step 4: Simplify right side
    1,279,057,027.73x = 755,644,230,923,371,904
  5. Step 5: Solve for x
    x = 755,644,230,923,371,904/1,279,057,027.73
  6. Step 6: Final answer
    x = 590,782,283.00

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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.