Home / 488,318,695.92-673,713,136.20-302,611,952.88

Finding the Fourth Proportional to 488,318,695.92, 673,713,136.20 and 302,611,952.88

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Solution

The fourth proportional to 488,318,695.92, 673,713,136.20 and 302,611,952.88 is: 417,501,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,318,695.92 : 673,713,136.20 = 302,611,952.88 : x
  2. Step 2: Convert to fraction form
    488,318,695.92/673,713,136.20 = 302,611,952.88/x
  3. Step 3: Cross multiply
    488,318,695.92x = 673,713,136.20 × 302,611,952.88
  4. Step 4: Simplify right side
    488,318,695.92x = 203,873,647,826,391,424
  5. Step 5: Solve for x
    x = 203,873,647,826,391,424/488,318,695.92
  6. Step 6: Final answer
    x = 417,501,212.90

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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.