Home / 299,343,453.20-448,679,256.60-170,013,021.20

Finding the Fourth Proportional to 299,343,453.20, 448,679,256.60 and 170,013,021.20

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Solution

The fourth proportional to 299,343,453.20, 448,679,256.60 and 170,013,021.20 is: 254,828,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,343,453.20 : 448,679,256.60 = 170,013,021.20 : x
  2. Step 2: Convert to fraction form
    299,343,453.20/448,679,256.60 = 170,013,021.20/x
  3. Step 3: Cross multiply
    299,343,453.20x = 448,679,256.60 × 170,013,021.20
  4. Step 4: Simplify right side
    299,343,453.20x = 76,281,315,964,336,032
  5. Step 5: Solve for x
    x = 76,281,315,964,336,032/299,343,453.20
  6. Step 6: Final answer
    x = 254,828,743.20

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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.