Home / 1,395,313,845.89-2,093,277,230.45-412,663,775.21

Finding the Fourth Proportional to 1,395,313,845.89, 2,093,277,230.45 and 412,663,775.21

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Solution

The fourth proportional to 1,395,313,845.89, 2,093,277,230.45 and 412,663,775.21 is: 619,086,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,313,845.89 : 2,093,277,230.45 = 412,663,775.21 : x
  2. Step 2: Convert to fraction form
    1,395,313,845.89/2,093,277,230.45 = 412,663,775.21/x
  3. Step 3: Cross multiply
    1,395,313,845.89x = 2,093,277,230.45 × 412,663,775.21
  4. Step 4: Simplify right side
    1,395,313,845.89x = 863,819,684,466,100,352
  5. Step 5: Solve for x
    x = 863,819,684,466,100,352/1,395,313,845.89
  6. Step 6: Final answer
    x = 619,086,298.77

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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.