Home / 396,430,800.87-594,553,950.15-147,553,267.45

Finding the Fourth Proportional to 396,430,800.87, 594,553,950.15 and 147,553,267.45

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Solution

The fourth proportional to 396,430,800.87, 594,553,950.15 and 147,553,267.45 is: 221,295,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,430,800.87 : 594,553,950.15 = 147,553,267.45 : x
  2. Step 2: Convert to fraction form
    396,430,800.87/594,553,950.15 = 147,553,267.45/x
  3. Step 3: Cross multiply
    396,430,800.87x = 594,553,950.15 × 147,553,267.45
  4. Step 4: Simplify right side
    396,430,800.87x = 87,728,378,016,226,368
  5. Step 5: Solve for x
    x = 87,728,378,016,226,368/396,430,800.87
  6. Step 6: Final answer
    x = 221,295,564.88

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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.