Home / 1,366,721,787,860.90-2,048,647,601,002.40-459,844,752,323.62

Finding the Fourth Proportional to 1,366,721,787,860.90, 2,048,647,601,002.40 and 459,844,752,323.62

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Solution

The fourth proportional to 1,366,721,787,860.90, 2,048,647,601,002.40 and 459,844,752,323.62 is: 689,284,283,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,721,787,860.90 : 2,048,647,601,002.40 = 459,844,752,323.62 : x
  2. Step 2: Convert to fraction form
    1,366,721,787,860.90/2,048,647,601,002.40 = 459,844,752,323.62/x
  3. Step 3: Cross multiply
    1,366,721,787,860.90x = 2,048,647,601,002.40 × 459,844,752,323.62
  4. Step 4: Simplify right side
    1,366,721,787,860.90x = 942,059,848,681,326,796,341,248
  5. Step 5: Solve for x
    x = 942,059,848,681,326,796,341,248/1,366,721,787,860.90
  6. Step 6: Final answer
    x = 689,284,283,786.66

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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.