Home / 5,388,903,984.30-8,083,355,976.45-2,630,302,665.90

Finding the Fourth Proportional to 5,388,903,984.30, 8,083,355,976.45 and 2,630,302,665.90

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Solution

The fourth proportional to 5,388,903,984.30, 8,083,355,976.45 and 2,630,302,665.90 is: 3,945,453,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,903,984.30 : 8,083,355,976.45 = 2,630,302,665.90 : x
  2. Step 2: Convert to fraction form
    5,388,903,984.30/8,083,355,976.45 = 2,630,302,665.90/x
  3. Step 3: Cross multiply
    5,388,903,984.30x = 8,083,355,976.45 × 2,630,302,665.90
  4. Step 4: Simplify right side
    5,388,903,984.30x = 21,261,672,774,275,133,440
  5. Step 5: Solve for x
    x = 21,261,672,774,275,133,440/5,388,903,984.30
  6. Step 6: Final answer
    x = 3,945,453,998.85

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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.