Home / 988,957,672.20-1,483,436,508.30-298,971,419.40

Finding the Fourth Proportional to 988,957,672.20, 1,483,436,508.30 and 298,971,419.40

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Solution

The fourth proportional to 988,957,672.20, 1,483,436,508.30 and 298,971,419.40 is: 448,457,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,957,672.20 : 1,483,436,508.30 = 298,971,419.40 : x
  2. Step 2: Convert to fraction form
    988,957,672.20/1,483,436,508.30 = 298,971,419.40/x
  3. Step 3: Cross multiply
    988,957,672.20x = 1,483,436,508.30 × 298,971,419.40
  4. Step 4: Simplify right side
    988,957,672.20x = 443,505,118,476,230,848
  5. Step 5: Solve for x
    x = 443,505,118,476,230,848/988,957,672.20
  6. Step 6: Final answer
    x = 448,457,129.10

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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.