Home / 628,719,945,721.85-943,238,626,467.06-175,438,469,077.67

Finding the Fourth Proportional to 628,719,945,721.85, 943,238,626,467.06 and 175,438,469,077.67

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Solution

The fourth proportional to 628,719,945,721.85, 943,238,626,467.06 and 175,438,469,077.67 is: 263,201,989,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,719,945,721.85 : 943,238,626,467.06 = 175,438,469,077.67 : x
  2. Step 2: Convert to fraction form
    628,719,945,721.85/943,238,626,467.06 = 175,438,469,077.67/x
  3. Step 3: Cross multiply
    628,719,945,721.85x = 943,238,626,467.06 × 175,438,469,077.67
  4. Step 4: Simplify right side
    628,719,945,721.85x = 165,480,340,602,305,237,745,664
  5. Step 5: Solve for x
    x = 165,480,340,602,305,237,745,664/628,719,945,721.85
  6. Step 6: Final answer
    x = 263,201,989,579.50

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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.