Home / 628,719,945,728.10-943,238,626,476.36-175,438,469,083.88

Finding the Fourth Proportional to 628,719,945,728.10, 943,238,626,476.36 and 175,438,469,083.88

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Solution

The fourth proportional to 628,719,945,728.10, 943,238,626,476.36 and 175,438,469,083.88 is: 263,201,989,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,719,945,728.10 : 943,238,626,476.36 = 175,438,469,083.88 : x
  2. Step 2: Convert to fraction form
    628,719,945,728.10/943,238,626,476.36 = 175,438,469,083.88/x
  3. Step 3: Cross multiply
    628,719,945,728.10x = 943,238,626,476.36 × 175,438,469,083.88
  4. Step 4: Simplify right side
    628,719,945,728.10x = 165,480,340,609,794,318,532,608
  5. Step 5: Solve for x
    x = 165,480,340,609,794,318,532,608/628,719,945,728.10
  6. Step 6: Final answer
    x = 263,201,989,588.79

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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.