Home / 1,366,721,787,728.90-2,048,647,600,803.90-459,844,752,190.95

Finding the Fourth Proportional to 1,366,721,787,728.90, 2,048,647,600,803.90 and 459,844,752,190.95

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Solution

The fourth proportional to 1,366,721,787,728.90, 2,048,647,600,803.90 and 459,844,752,190.95 is: 689,284,283,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,721,787,728.90 : 2,048,647,600,803.90 = 459,844,752,190.95 : x
  2. Step 2: Convert to fraction form
    1,366,721,787,728.90/2,048,647,600,803.90 = 459,844,752,190.95/x
  3. Step 3: Cross multiply
    1,366,721,787,728.90x = 2,048,647,600,803.90 × 459,844,752,190.95
  4. Step 4: Simplify right side
    1,366,721,787,728.90x = 942,059,848,318,253,615,022,080
  5. Step 5: Solve for x
    x = 942,059,848,318,253,615,022,080/1,366,721,787,728.90
  6. Step 6: Final answer
    x = 689,284,283,587.58

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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.