Home / 383,800,535.52-529,657,256.88-209,960,279.52

Finding the Fourth Proportional to 383,800,535.52, 529,657,256.88 and 209,960,279.52

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Solution

The fourth proportional to 383,800,535.52, 529,657,256.88 and 209,960,279.52 is: 289,752,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,800,535.52 : 529,657,256.88 = 209,960,279.52 : x
  2. Step 2: Convert to fraction form
    383,800,535.52/529,657,256.88 = 209,960,279.52/x
  3. Step 3: Cross multiply
    383,800,535.52x = 529,657,256.88 × 209,960,279.52
  4. Step 4: Simplify right side
    383,800,535.52x = 111,206,985,704,321,248
  5. Step 5: Solve for x
    x = 111,206,985,704,321,248/383,800,535.52
  6. Step 6: Final answer
    x = 289,752,033.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.