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Finding the Fourth Proportional to 620,086,740,013.60, 930,130,110,020.40 and 620,086,740,013.60

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Solution

The fourth proportional to 620,086,740,013.60, 930,130,110,020.40 and 620,086,740,013.60 is: 930,130,110,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,086,740,013.60 : 930,130,110,020.40 = 620,086,740,013.60 : x
  2. Step 2: Convert to fraction form
    620,086,740,013.60/930,130,110,020.40 = 620,086,740,013.60/x
  3. Step 3: Cross multiply
    620,086,740,013.60x = 930,130,110,020.40 × 620,086,740,013.60
  4. Step 4: Simplify right side
    620,086,740,013.60x = 576,761,347,711,040,940,408,832
  5. Step 5: Solve for x
    x = 576,761,347,711,040,940,408,832/620,086,740,013.60
  6. Step 6: Final answer
    x = 930,130,110,020.40

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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.