Home / 289,665,506.97-434,451,589.88-79,527,174.57

Finding the Fourth Proportional to 289,665,506.97, 434,451,589.88 and 79,527,174.57

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Solution

The fourth proportional to 289,665,506.97, 434,451,589.88 and 79,527,174.57 is: 119,277,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,665,506.97 : 434,451,589.88 = 79,527,174.57 : x
  2. Step 2: Convert to fraction form
    289,665,506.97/434,451,589.88 = 79,527,174.57/x
  3. Step 3: Cross multiply
    289,665,506.97x = 434,451,589.88 × 79,527,174.57
  4. Step 4: Simplify right side
    289,665,506.97x = 34,550,707,430,203,168
  5. Step 5: Solve for x
    x = 34,550,707,430,203,168/289,665,506.97
  6. Step 6: Final answer
    x = 119,277,948.53

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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.