Home / 1,028,559,931.32-1,419,388,563.12-605,201,013.16

Finding the Fourth Proportional to 1,028,559,931.32, 1,419,388,563.12 and 605,201,013.16

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Solution

The fourth proportional to 1,028,559,931.32, 1,419,388,563.12 and 605,201,013.16 is: 835,163,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,559,931.32 : 1,419,388,563.12 = 605,201,013.16 : x
  2. Step 2: Convert to fraction form
    1,028,559,931.32/1,419,388,563.12 = 605,201,013.16/x
  3. Step 3: Cross multiply
    1,028,559,931.32x = 1,419,388,563.12 × 605,201,013.16
  4. Step 4: Simplify right side
    1,028,559,931.32x = 859,015,396,467,940,480
  5. Step 5: Solve for x
    x = 859,015,396,467,940,480/1,028,559,931.32
  6. Step 6: Final answer
    x = 835,163,193.03

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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.