Home / 1,403,508,374.83-1,936,764,824.49-768,305,986.03

Finding the Fourth Proportional to 1,403,508,374.83, 1,936,764,824.49 and 768,305,986.03

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Solution

The fourth proportional to 1,403,508,374.83, 1,936,764,824.49 and 768,305,986.03 is: 1,060,220,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,508,374.83 : 1,936,764,824.49 = 768,305,986.03 : x
  2. Step 2: Convert to fraction form
    1,403,508,374.83/1,936,764,824.49 = 768,305,986.03/x
  3. Step 3: Cross multiply
    1,403,508,374.83x = 1,936,764,824.49 × 768,305,986.03
  4. Step 4: Simplify right side
    1,403,508,374.83x = 1,488,028,008,188,009,216
  5. Step 5: Solve for x
    x = 1,488,028,008,188,009,216/1,403,508,374.83
  6. Step 6: Final answer
    x = 1,060,220,255.81

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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.