Home / 577,930,791.30-868,311,764.55-434,603,559.30

Finding the Fourth Proportional to 577,930,791.30, 868,311,764.55 and 434,603,559.30

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Solution

The fourth proportional to 577,930,791.30, 868,311,764.55 and 434,603,559.30 is: 652,969,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,930,791.30 : 868,311,764.55 = 434,603,559.30 : x
  2. Step 2: Convert to fraction form
    577,930,791.30/868,311,764.55 = 434,603,559.30/x
  3. Step 3: Cross multiply
    577,930,791.30x = 868,311,764.55 × 434,603,559.30
  4. Step 4: Simplify right side
    577,930,791.30x = 377,371,383,455,493,568
  5. Step 5: Solve for x
    x = 377,371,383,455,493,568/577,930,791.30
  6. Step 6: Final answer
    x = 652,969,852.34

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Double scale
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1.5x scale

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.