Home / 269,388,285,238.37-371,758,151,945.11-153,650,907,289.52

Finding the Fourth Proportional to 269,388,285,238.37, 371,758,151,945.11 and 153,650,907,289.52

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Solution

The fourth proportional to 269,388,285,238.37, 371,758,151,945.11 and 153,650,907,289.52 is: 212,039,574,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,388,285,238.37 : 371,758,151,945.11 = 153,650,907,289.52 : x
  2. Step 2: Convert to fraction form
    269,388,285,238.37/371,758,151,945.11 = 153,650,907,289.52/x
  3. Step 3: Cross multiply
    269,388,285,238.37x = 371,758,151,945.11 × 153,650,907,289.52
  4. Step 4: Simplify right side
    269,388,285,238.37x = 57,120,977,338,641,376,346,112
  5. Step 5: Solve for x
    x = 57,120,977,338,641,376,346,112/269,388,285,238.37
  6. Step 6: Final answer
    x = 212,039,574,356.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.