Home / 269,388,285,238.38-371,758,151,945.11-153,650,907,289.51

Finding the Fourth Proportional to 269,388,285,238.38, 371,758,151,945.11 and 153,650,907,289.51

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Solution

The fourth proportional to 269,388,285,238.38, 371,758,151,945.11 and 153,650,907,289.51 is: 212,039,574,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,388,285,238.38 : 371,758,151,945.11 = 153,650,907,289.51 : x
  2. Step 2: Convert to fraction form
    269,388,285,238.38/371,758,151,945.11 = 153,650,907,289.51/x
  3. Step 3: Cross multiply
    269,388,285,238.38x = 371,758,151,945.11 × 153,650,907,289.51
  4. Step 4: Simplify right side
    269,388,285,238.38x = 57,120,977,338,637,668,581,376
  5. Step 5: Solve for x
    x = 57,120,977,338,637,668,581,376/269,388,285,238.38
  6. Step 6: Final answer
    x = 212,039,574,356.74

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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.