Home / 664,675,316.08-996,121,771.57-517,300,834.64

Finding the Fourth Proportional to 664,675,316.08, 996,121,771.57 and 517,300,834.64

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Solution

The fourth proportional to 664,675,316.08, 996,121,771.57 and 517,300,834.64 is: 775,257,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,675,316.08 : 996,121,771.57 = 517,300,834.64 : x
  2. Step 2: Convert to fraction form
    664,675,316.08/996,121,771.57 = 517,300,834.64/x
  3. Step 3: Cross multiply
    664,675,316.08x = 996,121,771.57 × 517,300,834.64
  4. Step 4: Simplify right side
    664,675,316.08x = 515,294,623,836,236,416
  5. Step 5: Solve for x
    x = 515,294,623,836,236,416/664,675,316.08
  6. Step 6: Final answer
    x = 775,257,650.42

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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.