Home / 1,028,560,126.64-1,419,388,831.71-605,201,209.29

Finding the Fourth Proportional to 1,028,560,126.64, 1,419,388,831.71 and 605,201,209.29

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Solution

The fourth proportional to 1,028,560,126.64, 1,419,388,831.71 and 605,201,209.29 is: 835,163,463.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,560,126.64 : 1,419,388,831.71 = 605,201,209.29 : x
  2. Step 2: Convert to fraction form
    1,028,560,126.64/1,419,388,831.71 = 605,201,209.29/x
  3. Step 3: Cross multiply
    1,028,560,126.64x = 1,419,388,831.71 × 605,201,209.29
  4. Step 4: Simplify right side
    1,028,560,126.64x = 859,015,837,403,612,288
  5. Step 5: Solve for x
    x = 859,015,837,403,612,288/1,028,560,126.64
  6. Step 6: Final answer
    x = 835,163,463.14

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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.