Home / 488,318,740.92-673,713,198.36-302,611,997.88

Finding the Fourth Proportional to 488,318,740.92, 673,713,198.36 and 302,611,997.88

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Solution

The fourth proportional to 488,318,740.92, 673,713,198.36 and 302,611,997.88 is: 417,501,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,318,740.92 : 673,713,198.36 = 302,611,997.88 : x
  2. Step 2: Convert to fraction form
    488,318,740.92/673,713,198.36 = 302,611,997.88/x
  3. Step 3: Cross multiply
    488,318,740.92x = 673,713,198.36 × 302,611,997.88
  4. Step 4: Simplify right side
    488,318,740.92x = 203,873,696,953,844,352
  5. Step 5: Solve for x
    x = 203,873,696,953,844,352/488,318,740.92
  6. Step 6: Final answer
    x = 417,501,275.03

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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.