Home / 320,530,370,718.72-480,811,019,313.96-105,394,150,095.92

Finding the Fourth Proportional to 320,530,370,718.72, 480,811,019,313.96 and 105,394,150,095.92

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Solution

The fourth proportional to 320,530,370,718.72, 480,811,019,313.96 and 105,394,150,095.92 is: 158,096,309,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530,370,718.72 : 480,811,019,313.96 = 105,394,150,095.92 : x
  2. Step 2: Convert to fraction form
    320,530,370,718.72/480,811,019,313.96 = 105,394,150,095.92/x
  3. Step 3: Cross multiply
    320,530,370,718.72x = 480,811,019,313.96 × 105,394,150,095.92
  4. Step 4: Simplify right side
    320,530,370,718.72x = 50,674,668,737,347,788,472,320
  5. Step 5: Solve for x
    x = 50,674,668,737,347,788,472,320/320,530,370,718.72
  6. Step 6: Final answer
    x = 158,096,309,637.43

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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.