Home / 752,188,048.58-1,038,019,504.14-422,163,187.58

Finding the Fourth Proportional to 752,188,048.58, 1,038,019,504.14 and 422,163,187.58

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Solution

The fourth proportional to 752,188,048.58, 1,038,019,504.14 and 422,163,187.58 is: 582,585,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,188,048.58 : 1,038,019,504.14 = 422,163,187.58 : x
  2. Step 2: Convert to fraction form
    752,188,048.58/1,038,019,504.14 = 422,163,187.58/x
  3. Step 3: Cross multiply
    752,188,048.58x = 1,038,019,504.14 × 422,163,187.58
  4. Step 4: Simplify right side
    752,188,048.58x = 438,213,622,637,953,408
  5. Step 5: Solve for x
    x = 438,213,622,637,953,408/752,188,048.58
  6. Step 6: Final answer
    x = 582,585,197.23

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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.