Home / 498,113,135,220.03-687,396,789,496.13-269,742,771,053.70

Finding the Fourth Proportional to 498,113,135,220.03, 687,396,789,496.13 and 269,742,771,053.70

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Solution

The fourth proportional to 498,113,135,220.03, 687,396,789,496.13 and 269,742,771,053.70 is: 372,245,383,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,113,135,220.03 : 687,396,789,496.13 = 269,742,771,053.70 : x
  2. Step 2: Convert to fraction form
    498,113,135,220.03/687,396,789,496.13 = 269,742,771,053.70/x
  3. Step 3: Cross multiply
    498,113,135,220.03x = 687,396,789,496.13 × 269,742,771,053.70
  4. Step 4: Simplify right side
    498,113,135,220.03x = 185,420,314,812,103,033,618,432
  5. Step 5: Solve for x
    x = 185,420,314,812,103,033,618,432/498,113,135,220.03
  6. Step 6: Final answer
    x = 372,245,383,029.70

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Double scale
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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.