Home / 455,720,113.20-683,598,832.20-132,603,985.20

Finding the Fourth Proportional to 455,720,113.20, 683,598,832.20 and 132,603,985.20

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Solution

The fourth proportional to 455,720,113.20, 683,598,832.20 and 132,603,985.20 is: 198,911,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,720,113.20 : 683,598,832.20 = 132,603,985.20 : x
  2. Step 2: Convert to fraction form
    455,720,113.20/683,598,832.20 = 132,603,985.20/x
  3. Step 3: Cross multiply
    455,720,113.20x = 683,598,832.20 × 132,603,985.20
  4. Step 4: Simplify right side
    455,720,113.20x = 90,647,929,427,786,096
  5. Step 5: Solve for x
    x = 90,647,929,427,786,096/455,720,113.20
  6. Step 6: Final answer
    x = 198,911,408.13

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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.