Home / 628,719,945,727.75-943,238,626,475.75-175,438,469,083.48

Finding the Fourth Proportional to 628,719,945,727.75, 943,238,626,475.75 and 175,438,469,083.48

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Solution

The fourth proportional to 628,719,945,727.75, 943,238,626,475.75 and 175,438,469,083.48 is: 263,201,989,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,719,945,727.75 : 943,238,626,475.75 = 175,438,469,083.48 : x
  2. Step 2: Convert to fraction form
    628,719,945,727.75/943,238,626,475.75 = 175,438,469,083.48/x
  3. Step 3: Cross multiply
    628,719,945,727.75x = 943,238,626,475.75 × 175,438,469,083.48
  4. Step 4: Simplify right side
    628,719,945,727.75x = 165,480,340,609,310,027,415,552
  5. Step 5: Solve for x
    x = 165,480,340,609,310,027,415,552/628,719,945,727.75
  6. Step 6: Final answer
    x = 263,201,989,588.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.