Home / 603,614,792.70-905,422,189.05-172,793,288.70

Finding the Fourth Proportional to 603,614,792.70, 905,422,189.05 and 172,793,288.70

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Solution

The fourth proportional to 603,614,792.70, 905,422,189.05 and 172,793,288.70 is: 259,189,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614,792.70 : 905,422,189.05 = 172,793,288.70 : x
  2. Step 2: Convert to fraction form
    603,614,792.70/905,422,189.05 = 172,793,288.70/x
  3. Step 3: Cross multiply
    603,614,792.70x = 905,422,189.05 × 172,793,288.70
  4. Step 4: Simplify right side
    603,614,792.70x = 156,450,877,707,902,624
  5. Step 5: Solve for x
    x = 156,450,877,707,902,624/603,614,792.70
  6. Step 6: Final answer
    x = 259,189,933.05

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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.