Home / 323,525,629.80-485,288,444.70-305,669,212.20

Finding the Fourth Proportional to 323,525,629.80, 485,288,444.70 and 305,669,212.20

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Solution

The fourth proportional to 323,525,629.80, 485,288,444.70 and 305,669,212.20 is: 458,503,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,525,629.80 : 485,288,444.70 = 305,669,212.20 : x
  2. Step 2: Convert to fraction form
    323,525,629.80/485,288,444.70 = 305,669,212.20/x
  3. Step 3: Cross multiply
    323,525,629.80x = 485,288,444.70 × 305,669,212.20
  4. Step 4: Simplify right side
    323,525,629.80x = 148,337,736,581,212,256
  5. Step 5: Solve for x
    x = 148,337,736,581,212,256/323,525,629.80
  6. Step 6: Final answer
    x = 458,503,818.30

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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.