Home / 499,507,983.60-749,003,807.33-219,274,201.68

Finding the Fourth Proportional to 499,507,983.60, 749,003,807.33 and 219,274,201.68

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Solution

The fourth proportional to 499,507,983.60, 749,003,807.33 and 219,274,201.68 is: 328,797,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,507,983.60 : 749,003,807.33 = 219,274,201.68 : x
  2. Step 2: Convert to fraction form
    499,507,983.60/749,003,807.33 = 219,274,201.68/x
  3. Step 3: Cross multiply
    499,507,983.60x = 749,003,807.33 × 219,274,201.68
  4. Step 4: Simplify right side
    499,507,983.60x = 164,237,211,907,566,304
  5. Step 5: Solve for x
    x = 164,237,211,907,566,304/499,507,983.60
  6. Step 6: Final answer
    x = 328,797,971.80

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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.