Home / 493,119,131.56-680,572,103.65-302,346,401.92

Finding the Fourth Proportional to 493,119,131.56, 680,572,103.65 and 302,346,401.92

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Solution

The fourth proportional to 493,119,131.56, 680,572,103.65 and 302,346,401.92 is: 417,279,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,119,131.56 : 680,572,103.65 = 302,346,401.92 : x
  2. Step 2: Convert to fraction form
    493,119,131.56/680,572,103.65 = 302,346,401.92/x
  3. Step 3: Cross multiply
    493,119,131.56x = 680,572,103.65 × 302,346,401.92
  4. Step 4: Simplify right side
    493,119,131.56x = 205,768,526,783,245,536
  5. Step 5: Solve for x
    x = 205,768,526,783,245,536/493,119,131.56
  6. Step 6: Final answer
    x = 417,279,544.87

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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.