Home / 323,525,688.30-485,288,532.45-305,669,270.70

Finding the Fourth Proportional to 323,525,688.30, 485,288,532.45 and 305,669,270.70

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Solution

The fourth proportional to 323,525,688.30, 485,288,532.45 and 305,669,270.70 is: 458,503,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,525,688.30 : 485,288,532.45 = 305,669,270.70 : x
  2. Step 2: Convert to fraction form
    323,525,688.30/485,288,532.45 = 305,669,270.70/x
  3. Step 3: Cross multiply
    323,525,688.30x = 485,288,532.45 × 305,669,270.70
  4. Step 4: Simplify right side
    323,525,688.30x = 148,337,791,793,064,768
  5. Step 5: Solve for x
    x = 148,337,791,793,064,768/323,525,688.30
  6. Step 6: Final answer
    x = 458,503,906.05

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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.