Home / 988,857,008.20-1,483,521,708.30-298,771,028.20

Finding the Fourth Proportional to 988,857,008.20, 1,483,521,708.30 and 298,771,028.20

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Solution

The fourth proportional to 988,857,008.20, 1,483,521,708.30 and 298,771,028.20 is: 448,227,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,857,008.20 : 1,483,521,708.30 = 298,771,028.20 : x
  2. Step 2: Convert to fraction form
    988,857,008.20/1,483,521,708.30 = 298,771,028.20/x
  3. Step 3: Cross multiply
    988,857,008.20x = 1,483,521,708.30 × 298,771,028.20
  4. Step 4: Simplify right side
    988,857,008.20x = 443,233,306,145,811,456
  5. Step 5: Solve for x
    x = 443,233,306,145,811,456/988,857,008.20
  6. Step 6: Final answer
    x = 448,227,906.03

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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.