Home / 396,290,424.80-594,435,637.20-370,781,256.80

Finding the Fourth Proportional to 396,290,424.80, 594,435,637.20 and 370,781,256.80

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Solution

The fourth proportional to 396,290,424.80, 594,435,637.20 and 370,781,256.80 is: 556,171,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,290,424.80 : 594,435,637.20 = 370,781,256.80 : x
  2. Step 2: Convert to fraction form
    396,290,424.80/594,435,637.20 = 370,781,256.80/x
  3. Step 3: Cross multiply
    396,290,424.80x = 594,435,637.20 × 370,781,256.80
  4. Step 4: Simplify right side
    396,290,424.80x = 220,405,592,647,724,864
  5. Step 5: Solve for x
    x = 220,405,592,647,724,864/396,290,424.80
  6. Step 6: Final answer
    x = 556,171,885.20

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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.