Home / 299,592,237,928.36-449,340,520,100.20-87,306,714,516.12

Finding the Fourth Proportional to 299,592,237,928.36, 449,340,520,100.20 and 87,306,714,516.12

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Solution

The fourth proportional to 299,592,237,928.36, 449,340,520,100.20 and 87,306,714,516.12 is: 130,946,131,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,592,237,928.36 : 449,340,520,100.20 = 87,306,714,516.12 : x
  2. Step 2: Convert to fraction form
    299,592,237,928.36/449,340,520,100.20 = 87,306,714,516.12/x
  3. Step 3: Cross multiply
    299,592,237,928.36x = 449,340,520,100.20 × 87,306,714,516.12
  4. Step 4: Simplify right side
    299,592,237,928.36x = 39,230,444,508,913,040,621,568
  5. Step 5: Solve for x
    x = 39,230,444,508,913,040,621,568/299,592,237,928.36
  6. Step 6: Final answer
    x = 130,946,131,248.88

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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.