Home / 1,028,712,185.64-1,419,454,533.24-605,682,335.70

Finding the Fourth Proportional to 1,028,712,185.64, 1,419,454,533.24 and 605,682,335.70

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Solution

The fourth proportional to 1,028,712,185.64, 1,419,454,533.24 and 605,682,335.70 is: 835,742,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,712,185.64 : 1,419,454,533.24 = 605,682,335.70 : x
  2. Step 2: Convert to fraction form
    1,028,712,185.64/1,419,454,533.24 = 605,682,335.70/x
  3. Step 3: Cross multiply
    1,028,712,185.64x = 1,419,454,533.24 × 605,682,335.70
  4. Step 4: Simplify right side
    1,028,712,185.64x = 859,738,537,112,756,608
  5. Step 5: Solve for x
    x = 859,738,537,112,756,608/1,028,712,185.64
  6. Step 6: Final answer
    x = 835,742,542.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.