Home / 496,996,504.20-745,494,756.30-420,469,000.20

Finding the Fourth Proportional to 496,996,504.20, 745,494,756.30 and 420,469,000.20

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Solution

The fourth proportional to 496,996,504.20, 745,494,756.30 and 420,469,000.20 is: 630,703,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,996,504.20 : 745,494,756.30 = 420,469,000.20 : x
  2. Step 2: Convert to fraction form
    496,996,504.20/745,494,756.30 = 420,469,000.20/x
  3. Step 3: Cross multiply
    496,996,504.20x = 745,494,756.30 × 420,469,000.20
  4. Step 4: Simplify right side
    496,996,504.20x = 313,457,434,835,803,648
  5. Step 5: Solve for x
    x = 313,457,434,835,803,648/496,996,504.20
  6. Step 6: Final answer
    x = 630,703,500.30

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Similar ratio
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1.5x scale

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.