Home / 220,739,858,514.36-304,677,682,476.43-143,769,501,469.98

Finding the Fourth Proportional to 220,739,858,514.36, 304,677,682,476.43 and 143,769,501,469.98

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Solution

The fourth proportional to 220,739,858,514.36, 304,677,682,476.43 and 143,769,501,469.98 is: 198,438,826,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,739,858,514.36 : 304,677,682,476.43 = 143,769,501,469.98 : x
  2. Step 2: Convert to fraction form
    220,739,858,514.36/304,677,682,476.43 = 143,769,501,469.98/x
  3. Step 3: Cross multiply
    220,739,858,514.36x = 304,677,682,476.43 × 143,769,501,469.98
  4. Step 4: Simplify right side
    220,739,858,514.36x = 43,803,358,518,665,206,038,528
  5. Step 5: Solve for x
    x = 43,803,358,518,665,206,038,528/220,739,858,514.36
  6. Step 6: Final answer
    x = 198,438,826,650.85

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1.5x scale

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.