Home / 20,855,305,001.10-31,282,957,501.65-19,467,606,261.90

Finding the Fourth Proportional to 20,855,305,001.10, 31,282,957,501.65 and 19,467,606,261.90

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Solution

The fourth proportional to 20,855,305,001.10, 31,282,957,501.65 and 19,467,606,261.90 is: 29,201,409,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855,305,001.10 : 31,282,957,501.65 = 19,467,606,261.90 : x
  2. Step 2: Convert to fraction form
    20,855,305,001.10/31,282,957,501.65 = 19,467,606,261.90/x
  3. Step 3: Cross multiply
    20,855,305,001.10x = 31,282,957,501.65 × 19,467,606,261.90
  4. Step 4: Simplify right side
    20,855,305,001.10x = 609,004,299,349,873,131,520
  5. Step 5: Solve for x
    x = 609,004,299,349,873,131,520/20,855,305,001.10
  6. Step 6: Final answer
    x = 29,201,409,392.85

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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.