Home / 493,074,221-680,429,401.62-281,377,257.20

Finding the Fourth Proportional to 493,074,221, 680,429,401.62 and 281,377,257.20

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Solution

The fourth proportional to 493,074,221, 680,429,401.62 and 281,377,257.20 is: 388,293,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,074,221 : 680,429,401.62 = 281,377,257.20 : x
  2. Step 2: Convert to fraction form
    493,074,221/680,429,401.62 = 281,377,257.20/x
  3. Step 3: Cross multiply
    493,074,221x = 680,429,401.62 × 281,377,257.20
  4. Step 4: Simplify right side
    493,074,221x = 191,457,358,746,072,832
  5. Step 5: Solve for x
    x = 191,457,358,746,072,832/493,074,221
  6. Step 6: Final answer
    x = 388,293,183.04

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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.