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Finding the Fourth Proportional to 10,912,302,021.90, 16,368,453,032.85 and 10,912,302,021.90

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Solution

The fourth proportional to 10,912,302,021.90, 16,368,453,032.85 and 10,912,302,021.90 is: 16,368,453,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912,302,021.90 : 16,368,453,032.85 = 10,912,302,021.90 : x
  2. Step 2: Convert to fraction form
    10,912,302,021.90/16,368,453,032.85 = 10,912,302,021.90/x
  3. Step 3: Cross multiply
    10,912,302,021.90x = 16,368,453,032.85 × 10,912,302,021.90
  4. Step 4: Simplify right side
    10,912,302,021.90x = 178,617,503,125,744,254,976
  5. Step 5: Solve for x
    x = 178,617,503,125,744,254,976/10,912,302,021.90
  6. Step 6: Final answer
    x = 16,368,453,032.85

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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.