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Finding the Fourth Proportional to 2,113,800,623,999.90, 3,170,700,935,999.80 and 2,113,800,623,999.90

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Solution

The fourth proportional to 2,113,800,623,999.90, 3,170,700,935,999.80 and 2,113,800,623,999.90 is: 3,170,700,935,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,800,623,999.90 : 3,170,700,935,999.80 = 2,113,800,623,999.90 : x
  2. Step 2: Convert to fraction form
    2,113,800,623,999.90/3,170,700,935,999.80 = 2,113,800,623,999.90/x
  3. Step 3: Cross multiply
    2,113,800,623,999.90x = 3,170,700,935,999.80 × 2,113,800,623,999.90
  4. Step 4: Simplify right side
    2,113,800,623,999.90x = 6,702,229,617,033,443,306,110,976
  5. Step 5: Solve for x
    x = 6,702,229,617,033,443,306,110,976/2,113,800,623,999.90
  6. Step 6: Final answer
    x = 3,170,700,935,999.80

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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.