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Finding the Fourth Proportional to 1,401,486,556.05, 2,102,229,834.08 and 1,401,486,556.05

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Solution

The fourth proportional to 1,401,486,556.05, 2,102,229,834.08 and 1,401,486,556.05 is: 2,102,229,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,486,556.05 : 2,102,229,834.08 = 1,401,486,556.05 : x
  2. Step 2: Convert to fraction form
    1,401,486,556.05/2,102,229,834.08 = 1,401,486,556.05/x
  3. Step 3: Cross multiply
    1,401,486,556.05x = 2,102,229,834.08 × 1,401,486,556.05
  4. Step 4: Simplify right side
    1,401,486,556.05x = 2,946,246,850,183,334,400
  5. Step 5: Solve for x
    x = 2,946,246,850,183,334,400/1,401,486,556.05
  6. Step 6: Final answer
    x = 2,102,229,834.08

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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.