Home / 1,028,712,209.68-1,419,454,566.32-605,682,359.76

Finding the Fourth Proportional to 1,028,712,209.68, 1,419,454,566.32 and 605,682,359.76

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Solution

The fourth proportional to 1,028,712,209.68, 1,419,454,566.32 and 605,682,359.76 is: 835,742,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,712,209.68 : 1,419,454,566.32 = 605,682,359.76 : x
  2. Step 2: Convert to fraction form
    1,028,712,209.68/1,419,454,566.32 = 605,682,359.76/x
  3. Step 3: Cross multiply
    1,028,712,209.68x = 1,419,454,566.32 × 605,682,359.76
  4. Step 4: Simplify right side
    1,028,712,209.68x = 859,738,591,300,804,992
  5. Step 5: Solve for x
    x = 859,738,591,300,804,992/1,028,712,209.68
  6. Step 6: Final answer
    x = 835,742,575.24

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Double scale
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1.5x scale

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.