Home / 499,507,983.35-749,003,806.96-219,274,201.43

Finding the Fourth Proportional to 499,507,983.35, 749,003,806.96 and 219,274,201.43

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Solution

The fourth proportional to 499,507,983.35, 749,003,806.96 and 219,274,201.43 is: 328,797,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,507,983.35 : 749,003,806.96 = 219,274,201.43 : x
  2. Step 2: Convert to fraction form
    499,507,983.35/749,003,806.96 = 219,274,201.43/x
  3. Step 3: Cross multiply
    499,507,983.35x = 749,003,806.96 × 219,274,201.43
  4. Step 4: Simplify right side
    499,507,983.35x = 164,237,211,634,890,688
  5. Step 5: Solve for x
    x = 164,237,211,634,890,688/499,507,983.35
  6. Step 6: Final answer
    x = 328,797,971.43

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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.