Home / 668,766,662.10-1,003,149,993.15-177,555,745.80

Finding the Fourth Proportional to 668,766,662.10, 1,003,149,993.15 and 177,555,745.80

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Solution

The fourth proportional to 668,766,662.10, 1,003,149,993.15 and 177,555,745.80 is: 266,333,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,766,662.10 : 1,003,149,993.15 = 177,555,745.80 : x
  2. Step 2: Convert to fraction form
    668,766,662.10/1,003,149,993.15 = 177,555,745.80/x
  3. Step 3: Cross multiply
    668,766,662.10x = 1,003,149,993.15 × 177,555,745.80
  4. Step 4: Simplify right side
    668,766,662.10x = 178,115,045,183,013,152
  5. Step 5: Solve for x
    x = 178,115,045,183,013,152/668,766,662.10
  6. Step 6: Final answer
    x = 266,333,618.70

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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.