Home / 628,719,945,727.77-943,238,626,475.77-175,438,469,083.49

Finding the Fourth Proportional to 628,719,945,727.77, 943,238,626,475.77 and 175,438,469,083.49

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Solution

The fourth proportional to 628,719,945,727.77, 943,238,626,475.77 and 175,438,469,083.49 is: 263,201,989,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,719,945,727.77 : 943,238,626,475.77 = 175,438,469,083.49 : x
  2. Step 2: Convert to fraction form
    628,719,945,727.77/943,238,626,475.77 = 175,438,469,083.49/x
  3. Step 3: Cross multiply
    628,719,945,727.77x = 943,238,626,475.77 × 175,438,469,083.49
  4. Step 4: Simplify right side
    628,719,945,727.77x = 165,480,340,609,322,945,871,872
  5. Step 5: Solve for x
    x = 165,480,340,609,322,945,871,872/628,719,945,727.77
  6. Step 6: Final answer
    x = 263,201,989,588.18

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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.