Home / 494,958,711.60-742,438,067.40-222,860,919.60

Finding the Fourth Proportional to 494,958,711.60, 742,438,067.40 and 222,860,919.60

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Solution

The fourth proportional to 494,958,711.60, 742,438,067.40 and 222,860,919.60 is: 334,291,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,958,711.60 : 742,438,067.40 = 222,860,919.60 : x
  2. Step 2: Convert to fraction form
    494,958,711.60/742,438,067.40 = 222,860,919.60/x
  3. Step 3: Cross multiply
    494,958,711.60x = 742,438,067.40 × 222,860,919.60
  4. Step 4: Simplify right side
    494,958,711.60x = 165,460,430,446,810,784
  5. Step 5: Solve for x
    x = 165,460,430,446,810,784/494,958,711.60
  6. Step 6: Final answer
    x = 334,291,379.40

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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.