Home / 396,622,400.64-546,762,050.28-277,174,138.56

Finding the Fourth Proportional to 396,622,400.64, 546,762,050.28 and 277,174,138.56

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Solution

The fourth proportional to 396,622,400.64, 546,762,050.28 and 277,174,138.56 is: 382,097,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,622,400.64 : 546,762,050.28 = 277,174,138.56 : x
  2. Step 2: Convert to fraction form
    396,622,400.64/546,762,050.28 = 277,174,138.56/x
  3. Step 3: Cross multiply
    396,622,400.64x = 546,762,050.28 × 277,174,138.56
  4. Step 4: Simplify right side
    396,622,400.64x = 151,548,300,283,658,400
  5. Step 5: Solve for x
    x = 151,548,300,283,658,400/396,622,400.64
  6. Step 6: Final answer
    x = 382,097,178.67

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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.