Home / 417,238,951.50-575,760,931.92-231,585,352.56

Finding the Fourth Proportional to 417,238,951.50, 575,760,931.92 and 231,585,352.56

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Solution

The fourth proportional to 417,238,951.50, 575,760,931.92 and 231,585,352.56 is: 319,571,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,238,951.50 : 575,760,931.92 = 231,585,352.56 : x
  2. Step 2: Convert to fraction form
    417,238,951.50/575,760,931.92 = 231,585,352.56/x
  3. Step 3: Cross multiply
    417,238,951.50x = 575,760,931.92 × 231,585,352.56
  4. Step 4: Simplify right side
    417,238,951.50x = 133,337,798,408,967,344
  5. Step 5: Solve for x
    x = 133,337,798,408,967,344/417,238,951.50
  6. Step 6: Final answer
    x = 319,571,789.57

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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.