Home / 780,331,067.46-1,170,204,972.84-313,835,036.58

Finding the Fourth Proportional to 780,331,067.46, 1,170,204,972.84 and 313,835,036.58

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Solution

The fourth proportional to 780,331,067.46, 1,170,204,972.84 and 313,835,036.58 is: 470,635,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,331,067.46 : 1,170,204,972.84 = 313,835,036.58 : x
  2. Step 2: Convert to fraction form
    780,331,067.46/1,170,204,972.84 = 313,835,036.58/x
  3. Step 3: Cross multiply
    780,331,067.46x = 1,170,204,972.84 × 313,835,036.58
  4. Step 4: Simplify right side
    780,331,067.46x = 367,251,320,457,339,264
  5. Step 5: Solve for x
    x = 367,251,320,457,339,264/780,331,067.46
  6. Step 6: Final answer
    x = 470,635,267.22

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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.