Home / 363,487,830.60-545,231,745.90-218,369,008.20

Finding the Fourth Proportional to 363,487,830.60, 545,231,745.90 and 218,369,008.20

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Solution

The fourth proportional to 363,487,830.60, 545,231,745.90 and 218,369,008.20 is: 327,553,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,487,830.60 : 545,231,745.90 = 218,369,008.20 : x
  2. Step 2: Convert to fraction form
    363,487,830.60/545,231,745.90 = 218,369,008.20/x
  3. Step 3: Cross multiply
    363,487,830.60x = 545,231,745.90 × 218,369,008.20
  4. Step 4: Simplify right side
    363,487,830.60x = 119,061,715,591,337,408
  5. Step 5: Solve for x
    x = 119,061,715,591,337,408/363,487,830.60
  6. Step 6: Final answer
    x = 327,553,512.30

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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.