Home / 1,029,985,469.10-1,544,978,203.65-917,115,273.90

Finding the Fourth Proportional to 1,029,985,469.10, 1,544,978,203.65 and 917,115,273.90

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Solution

The fourth proportional to 1,029,985,469.10, 1,544,978,203.65 and 917,115,273.90 is: 1,375,672,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,985,469.10 : 1,544,978,203.65 = 917,115,273.90 : x
  2. Step 2: Convert to fraction form
    1,029,985,469.10/1,544,978,203.65 = 917,115,273.90/x
  3. Step 3: Cross multiply
    1,029,985,469.10x = 1,544,978,203.65 × 917,115,273.90
  4. Step 4: Simplify right side
    1,029,985,469.10x = 1,416,923,108,409,999,872
  5. Step 5: Solve for x
    x = 1,416,923,108,409,999,872/1,029,985,469.10
  6. Step 6: Final answer
    x = 1,375,672,910.85

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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.