Home / 474,786,416.20-712,179,624.30-431,704,265.80

Finding the Fourth Proportional to 474,786,416.20, 712,179,624.30 and 431,704,265.80

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Solution

The fourth proportional to 474,786,416.20, 712,179,624.30 and 431,704,265.80 is: 647,556,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,786,416.20 : 712,179,624.30 = 431,704,265.80 : x
  2. Step 2: Convert to fraction form
    474,786,416.20/712,179,624.30 = 431,704,265.80/x
  3. Step 3: Cross multiply
    474,786,416.20x = 712,179,624.30 × 431,704,265.80
  4. Step 4: Simplify right side
    474,786,416.20x = 307,450,981,826,151,296
  5. Step 5: Solve for x
    x = 307,450,981,826,151,296/474,786,416.20
  6. Step 6: Final answer
    x = 647,556,398.70

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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.