Home / 1,366,721,787,860.40-2,048,647,601,001.60-459,844,752,323.12

Finding the Fourth Proportional to 1,366,721,787,860.40, 2,048,647,601,001.60 and 459,844,752,323.12

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Solution

The fourth proportional to 1,366,721,787,860.40, 2,048,647,601,001.60 and 459,844,752,323.12 is: 689,284,283,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,721,787,860.40 : 2,048,647,601,001.60 = 459,844,752,323.12 : x
  2. Step 2: Convert to fraction form
    1,366,721,787,860.40/2,048,647,601,001.60 = 459,844,752,323.12/x
  3. Step 3: Cross multiply
    1,366,721,787,860.40x = 2,048,647,601,001.60 × 459,844,752,323.12
  4. Step 4: Simplify right side
    1,366,721,787,860.40x = 942,059,848,679,934,690,066,432
  5. Step 5: Solve for x
    x = 942,059,848,679,934,690,066,432/1,366,721,787,860.40
  6. Step 6: Final answer
    x = 689,284,283,785.90

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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.