Home / 7,146,162,197.70-9,861,975,917.55-3,974,575,453.80

Finding the Fourth Proportional to 7,146,162,197.70, 9,861,975,917.55 and 3,974,575,453.80

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Solution

The fourth proportional to 7,146,162,197.70, 9,861,975,917.55 and 3,974,575,453.80 is: 5,485,065,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,162,197.70 : 9,861,975,917.55 = 3,974,575,453.80 : x
  2. Step 2: Convert to fraction form
    7,146,162,197.70/9,861,975,917.55 = 3,974,575,453.80/x
  3. Step 3: Cross multiply
    7,146,162,197.70x = 9,861,975,917.55 × 3,974,575,453.80
  4. Step 4: Simplify right side
    7,146,162,197.70x = 39,197,167,407,860,965,376
  5. Step 5: Solve for x
    x = 39,197,167,407,860,965,376/7,146,162,197.70
  6. Step 6: Final answer
    x = 5,485,065,455.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.