Home / 412,945,485.38-569,879,806.82-224,764,690.40

Finding the Fourth Proportional to 412,945,485.38, 569,879,806.82 and 224,764,690.40

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Solution

The fourth proportional to 412,945,485.38, 569,879,806.82 and 224,764,690.40 is: 310,183,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,945,485.38 : 569,879,806.82 = 224,764,690.40 : x
  2. Step 2: Convert to fraction form
    412,945,485.38/569,879,806.82 = 224,764,690.40/x
  3. Step 3: Cross multiply
    412,945,485.38x = 569,879,806.82 × 224,764,690.40
  4. Step 4: Simplify right side
    412,945,485.38x = 128,088,858,341,135,904
  5. Step 5: Solve for x
    x = 128,088,858,341,135,904/412,945,485.38
  6. Step 6: Final answer
    x = 310,183,457.33

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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.