Home / 443,082,004.90-665,221,370.55-259,038,081.70

Finding the Fourth Proportional to 443,082,004.90, 665,221,370.55 and 259,038,081.70

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Solution

The fourth proportional to 443,082,004.90, 665,221,370.55 and 259,038,081.70 is: 388,906,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,082,004.90 : 665,221,370.55 = 259,038,081.70 : x
  2. Step 2: Convert to fraction form
    443,082,004.90/665,221,370.55 = 259,038,081.70/x
  3. Step 3: Cross multiply
    443,082,004.90x = 665,221,370.55 × 259,038,081.70
  4. Step 4: Simplify right side
    443,082,004.90x = 172,317,667,733,116,864
  5. Step 5: Solve for x
    x = 172,317,667,733,116,864/443,082,004.90
  6. Step 6: Final answer
    x = 388,906,942.34

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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.