Home / 299,592,237,931.88-449,340,520,105.44-87,306,714,519.62

Finding the Fourth Proportional to 299,592,237,931.88, 449,340,520,105.44 and 87,306,714,519.62

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Solution

The fourth proportional to 299,592,237,931.88, 449,340,520,105.44 and 87,306,714,519.62 is: 130,946,131,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,592,237,931.88 : 449,340,520,105.44 = 87,306,714,519.62 : x
  2. Step 2: Convert to fraction form
    299,592,237,931.88/449,340,520,105.44 = 87,306,714,519.62/x
  3. Step 3: Cross multiply
    299,592,237,931.88x = 449,340,520,105.44 × 87,306,714,519.62
  4. Step 4: Simplify right side
    299,592,237,931.88x = 39,230,444,510,940,978,216,960
  5. Step 5: Solve for x
    x = 39,230,444,510,940,978,216,960/299,592,237,931.88
  6. Step 6: Final answer
    x = 130,946,131,254.11

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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.