Home / 801,179,893.15-1,103,058,628.87-624,741,481.15

Finding the Fourth Proportional to 801,179,893.15, 1,103,058,628.87 and 624,741,481.15

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Solution

The fourth proportional to 801,179,893.15, 1,103,058,628.87 and 624,741,481.15 is: 860,139,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,179,893.15 : 1,103,058,628.87 = 624,741,481.15 : x
  2. Step 2: Convert to fraction form
    801,179,893.15/1,103,058,628.87 = 624,741,481.15/x
  3. Step 3: Cross multiply
    801,179,893.15x = 1,103,058,628.87 × 624,741,481.15
  4. Step 4: Simplify right side
    801,179,893.15x = 689,126,481,595,531,904
  5. Step 5: Solve for x
    x = 689,126,481,595,531,904/801,179,893.15
  6. Step 6: Final answer
    x = 860,139,511.10

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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.