Home / 396,139,261-546,661,529.22-237,459,023.32

Finding the Fourth Proportional to 396,139,261, 546,661,529.22 and 237,459,023.32

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Solution

The fourth proportional to 396,139,261, 546,661,529.22 and 237,459,023.32 is: 327,687,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,139,261 : 546,661,529.22 = 237,459,023.32 : x
  2. Step 2: Convert to fraction form
    396,139,261/546,661,529.22 = 237,459,023.32/x
  3. Step 3: Cross multiply
    396,139,261x = 546,661,529.22 × 237,459,023.32
  4. Step 4: Simplify right side
    396,139,261x = 129,809,712,815,198,848
  5. Step 5: Solve for x
    x = 129,809,712,815,198,848/396,139,261
  6. Step 6: Final answer
    x = 327,687,067.64

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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.