Home / 988,851,175.20-1,483,512,958.80-298,765,195.20

Finding the Fourth Proportional to 988,851,175.20, 1,483,512,958.80 and 298,765,195.20

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Solution

The fourth proportional to 988,851,175.20, 1,483,512,958.80 and 298,765,195.20 is: 448,219,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,851,175.20 : 1,483,512,958.80 = 298,765,195.20 : x
  2. Step 2: Convert to fraction form
    988,851,175.20/1,483,512,958.80 = 298,765,195.20/x
  3. Step 3: Cross multiply
    988,851,175.20x = 1,483,512,958.80 × 298,765,195.20
  4. Step 4: Simplify right side
    988,851,175.20x = 443,222,038,717,611,520
  5. Step 5: Solve for x
    x = 443,222,038,717,611,520/988,851,175.20
  6. Step 6: Final answer
    x = 448,219,155.55

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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.