Home / 558,099,298.50-770,250,370.41-320,037,645.30

Finding the Fourth Proportional to 558,099,298.50, 770,250,370.41 and 320,037,645.30

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Solution

The fourth proportional to 558,099,298.50, 770,250,370.41 and 320,037,645.30 is: 441,694,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,099,298.50 : 770,250,370.41 = 320,037,645.30 : x
  2. Step 2: Convert to fraction form
    558,099,298.50/770,250,370.41 = 320,037,645.30/x
  3. Step 3: Cross multiply
    558,099,298.50x = 770,250,370.41 × 320,037,645.30
  4. Step 4: Simplify right side
    558,099,298.50x = 246,509,114,837,469,184
  5. Step 5: Solve for x
    x = 246,509,114,837,469,184/558,099,298.50
  6. Step 6: Final answer
    x = 441,694,005.89

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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.