Home / 383,800,475.52-529,657,174.08-209,960,219.52

Finding the Fourth Proportional to 383,800,475.52, 529,657,174.08 and 209,960,219.52

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Solution

The fourth proportional to 383,800,475.52, 529,657,174.08 and 209,960,219.52 is: 289,751,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,800,475.52 : 529,657,174.08 = 209,960,219.52 : x
  2. Step 2: Convert to fraction form
    383,800,475.52/529,657,174.08 = 209,960,219.52/x
  3. Step 3: Cross multiply
    383,800,475.52x = 529,657,174.08 × 209,960,219.52
  4. Step 4: Simplify right side
    383,800,475.52x = 111,206,936,540,179,664
  5. Step 5: Solve for x
    x = 111,206,936,540,179,664/383,800,475.52
  6. Step 6: Final answer
    x = 289,751,950.90

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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.