Home / 13,279,627,884.42-19,907,183,647.86-6,641,480,628.36

Finding the Fourth Proportional to 13,279,627,884.42, 19,907,183,647.86 and 6,641,480,628.36

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Solution

The fourth proportional to 13,279,627,884.42, 19,907,183,647.86 and 6,641,480,628.36 is: 9,956,090,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279,627,884.42 : 19,907,183,647.86 = 6,641,480,628.36 : x
  2. Step 2: Convert to fraction form
    13,279,627,884.42/19,907,183,647.86 = 6,641,480,628.36/x
  3. Step 3: Cross multiply
    13,279,627,884.42x = 19,907,183,647.86 × 6,641,480,628.36
  4. Step 4: Simplify right side
    13,279,627,884.42x = 132,213,174,562,467,151,872
  5. Step 5: Solve for x
    x = 132,213,174,562,467,151,872/13,279,627,884.42
  6. Step 6: Final answer
    x = 9,956,090,314.67

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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.