Home / 1,401,140,607,629.90-2,101,498,556,073.90-381,337,610,849.36

Finding the Fourth Proportional to 1,401,140,607,629.90, 2,101,498,556,073.90 and 381,337,610,849.36

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Solution

The fourth proportional to 1,401,140,607,629.90, 2,101,498,556,073.90 and 381,337,610,849.36 is: 571,948,621,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,140,607,629.90 : 2,101,498,556,073.90 = 381,337,610,849.36 : x
  2. Step 2: Convert to fraction form
    1,401,140,607,629.90/2,101,498,556,073.90 = 381,337,610,849.36/x
  3. Step 3: Cross multiply
    1,401,140,607,629.90x = 2,101,498,556,073.90 × 381,337,610,849.36
  4. Step 4: Simplify right side
    1,401,140,607,629.90x = 801,380,438,576,600,723,750,912
  5. Step 5: Solve for x
    x = 801,380,438,576,600,723,750,912/1,401,140,607,629.90
  6. Step 6: Final answer
    x = 571,948,621,153.86

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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.