Home / 927,201,820.57-1,391,017,855.28-305,394,738.24

Finding the Fourth Proportional to 927,201,820.57, 1,391,017,855.28 and 305,394,738.24

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Solution

The fourth proportional to 927,201,820.57, 1,391,017,855.28 and 305,394,738.24 is: 458,162,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,201,820.57 : 1,391,017,855.28 = 305,394,738.24 : x
  2. Step 2: Convert to fraction form
    927,201,820.57/1,391,017,855.28 = 305,394,738.24/x
  3. Step 3: Cross multiply
    927,201,820.57x = 1,391,017,855.28 × 305,394,738.24
  4. Step 4: Simplify right side
    927,201,820.57x = 424,809,533,800,401,792
  5. Step 5: Solve for x
    x = 424,809,533,800,401,792/927,201,820.57
  6. Step 6: Final answer
    x = 458,162,963.42

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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.