Home / 1,366,721,787,860.80-2,048,647,601,002.40-459,844,752,323.52

Finding the Fourth Proportional to 1,366,721,787,860.80, 2,048,647,601,002.40 and 459,844,752,323.52

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Solution

The fourth proportional to 1,366,721,787,860.80, 2,048,647,601,002.40 and 459,844,752,323.52 is: 689,284,283,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,721,787,860.80 : 2,048,647,601,002.40 = 459,844,752,323.52 : x
  2. Step 2: Convert to fraction form
    1,366,721,787,860.80/2,048,647,601,002.40 = 459,844,752,323.52/x
  3. Step 3: Cross multiply
    1,366,721,787,860.80x = 2,048,647,601,002.40 × 459,844,752,323.52
  4. Step 4: Simplify right side
    1,366,721,787,860.80x = 942,059,848,681,121,980,088,320
  5. Step 5: Solve for x
    x = 942,059,848,681,121,980,088,320/1,366,721,787,860.80
  6. Step 6: Final answer
    x = 689,284,283,786.56

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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.