Home / 412,945,250.78-569,879,483.72-224,764,456.37

Finding the Fourth Proportional to 412,945,250.78, 569,879,483.72 and 224,764,456.37

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Solution

The fourth proportional to 412,945,250.78, 569,879,483.72 and 224,764,456.37 is: 310,183,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,945,250.78 : 569,879,483.72 = 224,764,456.37 : x
  2. Step 2: Convert to fraction form
    412,945,250.78/569,879,483.72 = 224,764,456.37/x
  3. Step 3: Cross multiply
    412,945,250.78x = 569,879,483.72 × 224,764,456.37
  4. Step 4: Simplify right side
    412,945,250.78x = 128,088,652,350,768,864
  5. Step 5: Solve for x
    x = 128,088,652,350,768,864/412,945,250.78
  6. Step 6: Final answer
    x = 310,183,134.71

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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.