Home / 20,452,455,391.55-30,651,561,881.61-10,503,497,234.03

Finding the Fourth Proportional to 20,452,455,391.55, 30,651,561,881.61 and 10,503,497,234.03

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Solution

The fourth proportional to 20,452,455,391.55, 30,651,561,881.61 and 10,503,497,234.03 is: 15,741,317,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452,455,391.55 : 30,651,561,881.61 = 10,503,497,234.03 : x
  2. Step 2: Convert to fraction form
    20,452,455,391.55/30,651,561,881.61 = 10,503,497,234.03/x
  3. Step 3: Cross multiply
    20,452,455,391.55x = 30,651,561,881.61 × 10,503,497,234.03
  4. Step 4: Simplify right side
    20,452,455,391.55x = 321,948,595,442,036,768,768
  5. Step 5: Solve for x
    x = 321,948,595,442,036,768,768/20,452,455,391.55
  6. Step 6: Final answer
    x = 15,741,317,571.83

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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.