Home / 653,467,816.39-901,759,347.41-356,103,720.72

Finding the Fourth Proportional to 653,467,816.39, 901,759,347.41 and 356,103,720.72

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Solution

The fourth proportional to 653,467,816.39, 901,759,347.41 and 356,103,720.72 is: 491,408,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,467,816.39 : 901,759,347.41 = 356,103,720.72 : x
  2. Step 2: Convert to fraction form
    653,467,816.39/901,759,347.41 = 356,103,720.72/x
  3. Step 3: Cross multiply
    653,467,816.39x = 901,759,347.41 × 356,103,720.72
  4. Step 4: Simplify right side
    653,467,816.39x = 321,119,858,806,740,096
  5. Step 5: Solve for x
    x = 321,119,858,806,740,096/653,467,816.39
  6. Step 6: Final answer
    x = 491,408,835.68

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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.