Home / 872,890,967.58-1,309,508,936.01-320,198,527.73

Finding the Fourth Proportional to 872,890,967.58, 1,309,508,936.01 and 320,198,527.73

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Solution

The fourth proportional to 872,890,967.58, 1,309,508,936.01 and 320,198,527.73 is: 480,361,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,890,967.58 : 1,309,508,936.01 = 320,198,527.73 : x
  2. Step 2: Convert to fraction form
    872,890,967.58/1,309,508,936.01 = 320,198,527.73/x
  3. Step 3: Cross multiply
    872,890,967.58x = 1,309,508,936.01 × 320,198,527.73
  4. Step 4: Simplify right side
    872,890,967.58x = 419,302,833,353,133,248
  5. Step 5: Solve for x
    x = 419,302,833,353,133,248/872,890,967.58
  6. Step 6: Final answer
    x = 480,361,063.32

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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.