Home / 8,452,786,128.21-12,679,171,907.30-2,157,214,845.17

Finding the Fourth Proportional to 8,452,786,128.21, 12,679,171,907.30 and 2,157,214,845.17

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Solution

The fourth proportional to 8,452,786,128.21, 12,679,171,907.30 and 2,157,214,845.17 is: 3,235,820,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452,786,128.21 : 12,679,171,907.30 = 2,157,214,845.17 : x
  2. Step 2: Convert to fraction form
    8,452,786,128.21/12,679,171,907.30 = 2,157,214,845.17/x
  3. Step 3: Cross multiply
    8,452,786,128.21x = 12,679,171,907.30 × 2,157,214,845.17
  4. Step 4: Simplify right side
    8,452,786,128.21x = 27,351,697,862,889,984,000
  5. Step 5: Solve for x
    x = 27,351,697,862,889,984,000/8,452,786,128.21
  6. Step 6: Final answer
    x = 3,235,820,408.56

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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.