Home / 13,619,435,128.50-18,794,828,537.91-7,597,940,552.96

Finding the Fourth Proportional to 13,619,435,128.50, 18,794,828,537.91 and 7,597,940,552.96

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Solution

The fourth proportional to 13,619,435,128.50, 18,794,828,537.91 and 7,597,940,552.96 is: 10,485,162,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,435,128.50 : 18,794,828,537.91 = 7,597,940,552.96 : x
  2. Step 2: Convert to fraction form
    13,619,435,128.50/18,794,828,537.91 = 7,597,940,552.96/x
  3. Step 3: Cross multiply
    13,619,435,128.50x = 18,794,828,537.91 × 7,597,940,552.96
  4. Step 4: Simplify right side
    13,619,435,128.50x = 142,801,989,934,163,279,872
  5. Step 5: Solve for x
    x = 142,801,989,934,163,279,872/13,619,435,128.50
  6. Step 6: Final answer
    x = 10,485,162,459.88

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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.