Home / 348,112,556.43-480,430,563.71-199,453,396.29

Finding the Fourth Proportional to 348,112,556.43, 480,430,563.71 and 199,453,396.29

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Solution

The fourth proportional to 348,112,556.43, 480,430,563.71 and 199,453,396.29 is: 275,265,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,112,556.43 : 480,430,563.71 = 199,453,396.29 : x
  2. Step 2: Convert to fraction form
    348,112,556.43/480,430,563.71 = 199,453,396.29/x
  3. Step 3: Cross multiply
    348,112,556.43x = 480,430,563.71 × 199,453,396.29
  4. Step 4: Simplify right side
    348,112,556.43x = 95,823,507,613,478,720
  5. Step 5: Solve for x
    x = 95,823,507,613,478,720/348,112,556.43
  6. Step 6: Final answer
    x = 275,265,875.49

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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.