Home / 979,776,003.20-1,469,664,004.80-366,280,512.80

Finding the Fourth Proportional to 979,776,003.20, 1,469,664,004.80 and 366,280,512.80

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Solution

The fourth proportional to 979,776,003.20, 1,469,664,004.80 and 366,280,512.80 is: 549,420,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,776,003.20 : 1,469,664,004.80 = 366,280,512.80 : x
  2. Step 2: Convert to fraction form
    979,776,003.20/1,469,664,004.80 = 366,280,512.80/x
  3. Step 3: Cross multiply
    979,776,003.20x = 1,469,664,004.80 × 366,280,512.80
  4. Step 4: Simplify right side
    979,776,003.20x = 538,309,285,321,845,632
  5. Step 5: Solve for x
    x = 538,309,285,321,845,632/979,776,003.20
  6. Step 6: Final answer
    x = 549,420,769.20

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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.