Home / 10,149,393,286.76-15,239,034,619.66-5,676,251,823.68

Finding the Fourth Proportional to 10,149,393,286.76, 15,239,034,619.66 and 5,676,251,823.68

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Solution

The fourth proportional to 10,149,393,286.76, 15,239,034,619.66 and 5,676,251,823.68 is: 8,522,735,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149,393,286.76 : 15,239,034,619.66 = 5,676,251,823.68 : x
  2. Step 2: Convert to fraction form
    10,149,393,286.76/15,239,034,619.66 = 5,676,251,823.68/x
  3. Step 3: Cross multiply
    10,149,393,286.76x = 15,239,034,619.66 × 5,676,251,823.68
  4. Step 4: Simplify right side
    10,149,393,286.76x = 86,500,598,050,967,732,224
  5. Step 5: Solve for x
    x = 86,500,598,050,967,732,224/10,149,393,286.76
  6. Step 6: Final answer
    x = 8,522,735,852.97

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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.