Home / 312,289,628.40-467,867,572.20-254,468,847.60

Finding the Fourth Proportional to 312,289,628.40, 467,867,572.20 and 254,468,847.60

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Solution

The fourth proportional to 312,289,628.40, 467,867,572.20 and 254,468,847.60 is: 381,241,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,289,628.40 : 467,867,572.20 = 254,468,847.60 : x
  2. Step 2: Convert to fraction form
    312,289,628.40/467,867,572.20 = 254,468,847.60/x
  3. Step 3: Cross multiply
    312,289,628.40x = 467,867,572.20 × 254,468,847.60
  4. Step 4: Simplify right side
    312,289,628.40x = 119,057,721,927,143,792
  5. Step 5: Solve for x
    x = 119,057,721,927,143,792/312,289,628.40
  6. Step 6: Final answer
    x = 381,241,357.70

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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.