Home / 12,135,790,524.20-18,196,295,475.90-4,765,971,439.40

Finding the Fourth Proportional to 12,135,790,524.20, 18,196,295,475.90 and 4,765,971,439.40

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Solution

The fourth proportional to 12,135,790,524.20, 18,196,295,475.90 and 4,765,971,439.40 is: 7,146,054,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,790,524.20 : 18,196,295,475.90 = 4,765,971,439.40 : x
  2. Step 2: Convert to fraction form
    12,135,790,524.20/18,196,295,475.90 = 4,765,971,439.40/x
  3. Step 3: Cross multiply
    12,135,790,524.20x = 18,196,295,475.90 × 4,765,971,439.40
  4. Step 4: Simplify right side
    12,135,790,524.20x = 86,723,024,541,022,830,592
  5. Step 5: Solve for x
    x = 86,723,024,541,022,830,592/12,135,790,524.20
  6. Step 6: Final answer
    x = 7,146,054,834.09

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1.5x scale

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.