Home / 979,776,003.70-1,469,664,005.55-366,280,513.30

Finding the Fourth Proportional to 979,776,003.70, 1,469,664,005.55 and 366,280,513.30

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Solution

The fourth proportional to 979,776,003.70, 1,469,664,005.55 and 366,280,513.30 is: 549,420,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,776,003.70 : 1,469,664,005.55 = 366,280,513.30 : x
  2. Step 2: Convert to fraction form
    979,776,003.70/1,469,664,005.55 = 366,280,513.30/x
  3. Step 3: Cross multiply
    979,776,003.70x = 1,469,664,005.55 × 366,280,513.30
  4. Step 4: Simplify right side
    979,776,003.70x = 538,309,286,331,388,032
  5. Step 5: Solve for x
    x = 538,309,286,331,388,032/979,776,003.70
  6. Step 6: Final answer
    x = 549,420,769.95

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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.