Home / 312,289,601.40-467,867,531.70-254,468,820.60

Finding the Fourth Proportional to 312,289,601.40, 467,867,531.70 and 254,468,820.60

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Solution

The fourth proportional to 312,289,601.40, 467,867,531.70 and 254,468,820.60 is: 381,241,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,289,601.40 : 467,867,531.70 = 254,468,820.60 : x
  2. Step 2: Convert to fraction form
    312,289,601.40/467,867,531.70 = 254,468,820.60/x
  3. Step 3: Cross multiply
    312,289,601.40x = 467,867,531.70 × 254,468,820.60
  4. Step 4: Simplify right side
    312,289,601.40x = 119,057,698,988,732,112
  5. Step 5: Solve for x
    x = 119,057,698,988,732,112/312,289,601.40
  6. Step 6: Final answer
    x = 381,241,317.21

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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.