Home / 801,179,879.83-1,103,058,610.64-624,741,467.83

Finding the Fourth Proportional to 801,179,879.83, 1,103,058,610.64 and 624,741,467.83

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Solution

The fourth proportional to 801,179,879.83, 1,103,058,610.64 and 624,741,467.83 is: 860,139,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,179,879.83 : 1,103,058,610.64 = 624,741,467.83 : x
  2. Step 2: Convert to fraction form
    801,179,879.83/1,103,058,610.64 = 624,741,467.83/x
  3. Step 3: Cross multiply
    801,179,879.83x = 1,103,058,610.64 × 624,741,467.83
  4. Step 4: Simplify right side
    801,179,879.83x = 689,126,455,510,246,656
  5. Step 5: Solve for x
    x = 689,126,455,510,246,656/801,179,879.83
  6. Step 6: Final answer
    x = 860,139,492.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.