Home / 20,935,897,716.69-28,891,503,821.30-11,420,449,465.73

Finding the Fourth Proportional to 20,935,897,716.69, 28,891,503,821.30 and 11,420,449,465.73

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Solution

The fourth proportional to 20,935,897,716.69, 28,891,503,821.30 and 11,420,449,465.73 is: 15,760,201,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935,897,716.69 : 28,891,503,821.30 = 11,420,449,465.73 : x
  2. Step 2: Convert to fraction form
    20,935,897,716.69/28,891,503,821.30 = 11,420,449,465.73/x
  3. Step 3: Cross multiply
    20,935,897,716.69x = 28,891,503,821.30 × 11,420,449,465.73
  4. Step 4: Simplify right side
    20,935,897,716.69x = 329,953,959,379,900,301,312
  5. Step 5: Solve for x
    x = 329,953,959,379,900,301,312/20,935,897,716.69
  6. Step 6: Final answer
    x = 15,760,201,155.21

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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.