Home / 496,664,681,650.45-685,524,785,562.49-323,481,378,300.59

Finding the Fourth Proportional to 496,664,681,650.45, 685,524,785,562.49 and 323,481,378,300.59

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Solution

The fourth proportional to 496,664,681,650.45, 685,524,785,562.49 and 323,481,378,300.59 is: 446,487,359,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,664,681,650.45 : 685,524,785,562.49 = 323,481,378,300.59 : x
  2. Step 2: Convert to fraction form
    496,664,681,650.45/685,524,785,562.49 = 323,481,378,300.59/x
  3. Step 3: Cross multiply
    496,664,681,650.45x = 685,524,785,562.49 × 323,481,378,300.59
  4. Step 4: Simplify right side
    496,664,681,650.45x = 221,754,502,492,970,677,174,272
  5. Step 5: Solve for x
    x = 221,754,502,492,970,677,174,272/496,664,681,650.45
  6. Step 6: Final answer
    x = 446,487,359,954.94

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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.