Home / 742,203,757.04-1,024,213,122.90-412,200,153.68

Finding the Fourth Proportional to 742,203,757.04, 1,024,213,122.90 and 412,200,153.68

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Solution

The fourth proportional to 742,203,757.04, 1,024,213,122.90 and 412,200,153.68 is: 568,820,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,203,757.04 : 1,024,213,122.90 = 412,200,153.68 : x
  2. Step 2: Convert to fraction form
    742,203,757.04/1,024,213,122.90 = 412,200,153.68/x
  3. Step 3: Cross multiply
    742,203,757.04x = 1,024,213,122.90 × 412,200,153.68
  4. Step 4: Simplify right side
    742,203,757.04x = 422,180,806,655,331,648
  5. Step 5: Solve for x
    x = 422,180,806,655,331,648/742,203,757.04
  6. Step 6: Final answer
    x = 568,820,627.29

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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.