Home / 757,067,408.40-1,135,707,400.80-239,443,874.40

Finding the Fourth Proportional to 757,067,408.40, 1,135,707,400.80 and 239,443,874.40

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Solution

The fourth proportional to 757,067,408.40, 1,135,707,400.80 and 239,443,874.40 is: 359,199,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,067,408.40 : 1,135,707,400.80 = 239,443,874.40 : x
  2. Step 2: Convert to fraction form
    757,067,408.40/1,135,707,400.80 = 239,443,874.40/x
  3. Step 3: Cross multiply
    757,067,408.40x = 1,135,707,400.80 × 239,443,874.40
  4. Step 4: Simplify right side
    757,067,408.40x = 271,938,180,232,305,664
  5. Step 5: Solve for x
    x = 271,938,180,232,305,664/757,067,408.40
  6. Step 6: Final answer
    x = 359,199,428.23

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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.