Home / 20,526,930,725.76-28,327,163,245.44-11,139,556,901.76

Finding the Fourth Proportional to 20,526,930,725.76, 28,327,163,245.44 and 11,139,556,901.76

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Solution

The fourth proportional to 20,526,930,725.76, 28,327,163,245.44 and 11,139,556,901.76 is: 15,372,587,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,930,725.76 : 28,327,163,245.44 = 11,139,556,901.76 : x
  2. Step 2: Convert to fraction form
    20,526,930,725.76/28,327,163,245.44 = 11,139,556,901.76/x
  3. Step 3: Cross multiply
    20,526,930,725.76x = 28,327,163,245.44 × 11,139,556,901.76
  4. Step 4: Simplify right side
    20,526,930,725.76x = 315,552,046,838,023,323,648
  5. Step 5: Solve for x
    x = 315,552,046,838,023,323,648/20,526,930,725.76
  6. Step 6: Final answer
    x = 15,372,587,897.03

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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.