Home / 493,074,333.18-680,429,556.90-281,377,369.62

Finding the Fourth Proportional to 493,074,333.18, 680,429,556.90 and 281,377,369.62

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Solution

The fourth proportional to 493,074,333.18, 680,429,556.90 and 281,377,369.62 is: 388,293,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,074,333.18 : 680,429,556.90 = 281,377,369.62 : x
  2. Step 2: Convert to fraction form
    493,074,333.18/680,429,556.90 = 281,377,369.62/x
  3. Step 3: Cross multiply
    493,074,333.18x = 680,429,556.90 × 281,377,369.62
  4. Step 4: Simplify right side
    493,074,333.18x = 191,457,478,932,224,128
  5. Step 5: Solve for x
    x = 191,457,478,932,224,128/493,074,333.18
  6. Step 6: Final answer
    x = 388,293,338.45

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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.