Home / 664,675,337.31-996,121,803.33-517,300,855.80

Finding the Fourth Proportional to 664,675,337.31, 996,121,803.33 and 517,300,855.80

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Solution

The fourth proportional to 664,675,337.31, 996,121,803.33 and 517,300,855.80 is: 775,257,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,675,337.31 : 996,121,803.33 = 517,300,855.80 : x
  2. Step 2: Convert to fraction form
    664,675,337.31/996,121,803.33 = 517,300,855.80/x
  3. Step 3: Cross multiply
    664,675,337.31x = 996,121,803.33 × 517,300,855.80
  4. Step 4: Simplify right side
    664,675,337.31x = 515,294,661,343,648,320
  5. Step 5: Solve for x
    x = 515,294,661,343,648,320/664,675,337.31
  6. Step 6: Final answer
    x = 775,257,682.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.