Home / 396,811,056.80-595,317,187.92-280,455,347.36

Finding the Fourth Proportional to 396,811,056.80, 595,317,187.92 and 280,455,347.36

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Solution

The fourth proportional to 396,811,056.80, 595,317,187.92 and 280,455,347.36 is: 420,754,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,811,056.80 : 595,317,187.92 = 280,455,347.36 : x
  2. Step 2: Convert to fraction form
    396,811,056.80/595,317,187.92 = 280,455,347.36/x
  3. Step 3: Cross multiply
    396,811,056.80x = 595,317,187.92 × 280,455,347.36
  4. Step 4: Simplify right side
    396,811,056.80x = 166,959,888,727,481,984
  5. Step 5: Solve for x
    x = 166,959,888,727,481,984/396,811,056.80
  6. Step 6: Final answer
    x = 420,754,124.33

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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.