Home / 664,031,799.60-996,047,699.40-203,969,230.80

Finding the Fourth Proportional to 664,031,799.60, 996,047,699.40 and 203,969,230.80

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Solution

The fourth proportional to 664,031,799.60, 996,047,699.40 and 203,969,230.80 is: 305,953,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,031,799.60 : 996,047,699.40 = 203,969,230.80 : x
  2. Step 2: Convert to fraction form
    664,031,799.60/996,047,699.40 = 203,969,230.80/x
  3. Step 3: Cross multiply
    664,031,799.60x = 996,047,699.40 × 203,969,230.80
  4. Step 4: Simplify right side
    664,031,799.60x = 203,163,083,086,727,616
  5. Step 5: Solve for x
    x = 203,163,083,086,727,616/664,031,799.60
  6. Step 6: Final answer
    x = 305,953,846.20

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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.