Home / 927,201,821.57-1,391,017,856.78-305,394,739.24

Finding the Fourth Proportional to 927,201,821.57, 1,391,017,856.78 and 305,394,739.24

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Solution

The fourth proportional to 927,201,821.57, 1,391,017,856.78 and 305,394,739.24 is: 458,162,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,201,821.57 : 1,391,017,856.78 = 305,394,739.24 : x
  2. Step 2: Convert to fraction form
    927,201,821.57/1,391,017,856.78 = 305,394,739.24/x
  3. Step 3: Cross multiply
    927,201,821.57x = 1,391,017,856.78 × 305,394,739.24
  4. Step 4: Simplify right side
    927,201,821.57x = 424,809,535,649,511,744
  5. Step 5: Solve for x
    x = 424,809,535,649,511,744/927,201,821.57
  6. Step 6: Final answer
    x = 458,162,964.92

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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.