Home / 455,723,498.20-683,603,909.70-132,607,370.20

Finding the Fourth Proportional to 455,723,498.20, 683,603,909.70 and 132,607,370.20

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Solution

The fourth proportional to 455,723,498.20, 683,603,909.70 and 132,607,370.20 is: 198,916,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,723,498.20 : 683,603,909.70 = 132,607,370.20 : x
  2. Step 2: Convert to fraction form
    455,723,498.20/683,603,909.70 = 132,607,370.20/x
  3. Step 3: Cross multiply
    455,723,498.20x = 683,603,909.70 × 132,607,370.20
  4. Step 4: Simplify right side
    455,723,498.20x = 90,650,916,723,755,280
  5. Step 5: Solve for x
    x = 90,650,916,723,755,280/455,723,498.20
  6. Step 6: Final answer
    x = 198,916,485.72

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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.