Home / 3,420,524,165.20-5,130,786,247.80-2,930,748,139.60

Finding the Fourth Proportional to 3,420,524,165.20, 5,130,786,247.80 and 2,930,748,139.60

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Solution

The fourth proportional to 3,420,524,165.20, 5,130,786,247.80 and 2,930,748,139.60 is: 4,396,122,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,524,165.20 : 5,130,786,247.80 = 2,930,748,139.60 : x
  2. Step 2: Convert to fraction form
    3,420,524,165.20/5,130,786,247.80 = 2,930,748,139.60/x
  3. Step 3: Cross multiply
    3,420,524,165.20x = 5,130,786,247.80 × 2,930,748,139.60
  4. Step 4: Simplify right side
    3,420,524,165.20x = 15,037,042,250,425,114,624
  5. Step 5: Solve for x
    x = 15,037,042,250,425,114,624/3,420,524,165.20
  6. Step 6: Final answer
    x = 4,396,122,209.40

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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.