Home / 19,225,202,905.08-28,786,137,794.82-12,199,978,037.88

Finding the Fourth Proportional to 19,225,202,905.08, 28,786,137,794.82 and 12,199,978,037.88

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Solution

The fourth proportional to 19,225,202,905.08, 28,786,137,794.82 and 12,199,978,037.88 is: 18,267,180,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225,202,905.08 : 28,786,137,794.82 = 12,199,978,037.88 : x
  2. Step 2: Convert to fraction form
    19,225,202,905.08/28,786,137,794.82 = 12,199,978,037.88/x
  3. Step 3: Cross multiply
    19,225,202,905.08x = 28,786,137,794.82 × 12,199,978,037.88
  4. Step 4: Simplify right side
    19,225,202,905.08x = 351,190,248,892,191,408,128
  5. Step 5: Solve for x
    x = 351,190,248,892,191,408,128/19,225,202,905.08
  6. Step 6: Final answer
    x = 18,267,180,358.31

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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.