Home / 488,067,579.72-731,383,737.40-288,441,400.44

Finding the Fourth Proportional to 488,067,579.72, 731,383,737.40 and 288,441,400.44

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Solution

The fourth proportional to 488,067,579.72, 731,383,737.40 and 288,441,400.44 is: 432,237,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,067,579.72 : 731,383,737.40 = 288,441,400.44 : x
  2. Step 2: Convert to fraction form
    488,067,579.72/731,383,737.40 = 288,441,400.44/x
  3. Step 3: Cross multiply
    488,067,579.72x = 731,383,737.40 × 288,441,400.44
  4. Step 4: Simplify right side
    488,067,579.72x = 210,961,349,474,697,184
  5. Step 5: Solve for x
    x = 210,961,349,474,697,184/488,067,579.72
  6. Step 6: Final answer
    x = 432,237,989.66

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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.