Home / 547,141,193.38-820,762,242.91-178,678,076.75

Finding the Fourth Proportional to 547,141,193.38, 820,762,242.91 and 178,678,076.75

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Solution

The fourth proportional to 547,141,193.38, 820,762,242.91 and 178,678,076.75 is: 268,033,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,141,193.38 : 820,762,242.91 = 178,678,076.75 : x
  2. Step 2: Convert to fraction form
    547,141,193.38/820,762,242.91 = 178,678,076.75/x
  3. Step 3: Cross multiply
    547,141,193.38x = 820,762,242.91 × 178,678,076.75
  4. Step 4: Simplify right side
    547,141,193.38x = 146,652,219,027,624,640
  5. Step 5: Solve for x
    x = 146,652,219,027,624,640/547,141,193.38
  6. Step 6: Final answer
    x = 268,033,591.33

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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.