Home / 12,135,790,523.20-18,196,295,474.40-4,765,971,438.40

Finding the Fourth Proportional to 12,135,790,523.20, 18,196,295,474.40 and 4,765,971,438.40

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Solution

The fourth proportional to 12,135,790,523.20, 18,196,295,474.40 and 4,765,971,438.40 is: 7,146,054,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,790,523.20 : 18,196,295,474.40 = 4,765,971,438.40 : x
  2. Step 2: Convert to fraction form
    12,135,790,523.20/18,196,295,474.40 = 4,765,971,438.40/x
  3. Step 3: Cross multiply
    12,135,790,523.20x = 18,196,295,474.40 × 4,765,971,438.40
  4. Step 4: Simplify right side
    12,135,790,523.20x = 86,723,024,515,677,585,408
  5. Step 5: Solve for x
    x = 86,723,024,515,677,585,408/12,135,790,523.20
  6. Step 6: Final answer
    x = 7,146,054,832.60

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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.