Home / 299,592,237,921.33-449,340,520,089.69-87,306,714,509.13

Finding the Fourth Proportional to 299,592,237,921.33, 449,340,520,089.69 and 87,306,714,509.13

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Solution

The fourth proportional to 299,592,237,921.33, 449,340,520,089.69 and 87,306,714,509.13 is: 130,946,131,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,592,237,921.33 : 449,340,520,089.69 = 87,306,714,509.13 : x
  2. Step 2: Convert to fraction form
    299,592,237,921.33/449,340,520,089.69 = 87,306,714,509.13/x
  3. Step 3: Cross multiply
    299,592,237,921.33x = 449,340,520,089.69 × 87,306,714,509.13
  4. Step 4: Simplify right side
    299,592,237,921.33x = 39,230,444,504,854,556,573,696
  5. Step 5: Solve for x
    x = 39,230,444,504,854,556,573,696/299,592,237,921.33
  6. Step 6: Final answer
    x = 130,946,131,238.41

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1.5x scale

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.