Home / 504,423,524.82-696,104,762.78-281,405,207.20

Finding the Fourth Proportional to 504,423,524.82, 696,104,762.78 and 281,405,207.20

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Solution

The fourth proportional to 504,423,524.82, 696,104,762.78 and 281,405,207.20 is: 388,339,352.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,423,524.82 : 696,104,762.78 = 281,405,207.20 : x
  2. Step 2: Convert to fraction form
    504,423,524.82/696,104,762.78 = 281,405,207.20/x
  3. Step 3: Cross multiply
    504,423,524.82x = 696,104,762.78 × 281,405,207.20
  4. Step 4: Simplify right side
    504,423,524.82x = 195,887,505,003,012,736
  5. Step 5: Solve for x
    x = 195,887,505,003,012,736/504,423,524.82
  6. Step 6: Final answer
    x = 388,339,352.48

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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.