Home / 220,739,858,509.65-304,677,682,469.92-143,769,501,465.26

Finding the Fourth Proportional to 220,739,858,509.65, 304,677,682,469.92 and 143,769,501,465.26

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Solution

The fourth proportional to 220,739,858,509.65, 304,677,682,469.92 and 143,769,501,465.26 is: 198,438,826,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,739,858,509.65 : 304,677,682,469.92 = 143,769,501,465.26 : x
  2. Step 2: Convert to fraction form
    220,739,858,509.65/304,677,682,469.92 = 143,769,501,465.26/x
  3. Step 3: Cross multiply
    220,739,858,509.65x = 304,677,682,469.92 × 143,769,501,465.26
  4. Step 4: Simplify right side
    220,739,858,509.65x = 43,803,358,516,291,188,031,488
  5. Step 5: Solve for x
    x = 43,803,358,516,291,188,031,488/220,739,858,509.65
  6. Step 6: Final answer
    x = 198,438,826,644.33

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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.