Home / 21,232,703,467.67-29,301,834,536.33-11,587,961,529.95

Finding the Fourth Proportional to 21,232,703,467.67, 29,301,834,536.33 and 11,587,961,529.95

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Solution

The fourth proportional to 21,232,703,467.67, 29,301,834,536.33 and 11,587,961,529.95 is: 15,991,770,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232,703,467.67 : 29,301,834,536.33 = 11,587,961,529.95 : x
  2. Step 2: Convert to fraction form
    21,232,703,467.67/29,301,834,536.33 = 11,587,961,529.95/x
  3. Step 3: Cross multiply
    21,232,703,467.67x = 29,301,834,536.33 × 11,587,961,529.95
  4. Step 4: Simplify right side
    21,232,703,467.67x = 339,548,531,363,747,856,384
  5. Step 5: Solve for x
    x = 339,548,531,363,747,856,384/21,232,703,467.67
  6. Step 6: Final answer
    x = 15,991,770,990.48

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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.