Home / 728,681,189-1,093,021,741.98-204,127,953.46

Finding the Fourth Proportional to 728,681,189, 1,093,021,741.98 and 204,127,953.46

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Solution

The fourth proportional to 728,681,189, 1,093,021,741.98 and 204,127,953.46 is: 306,191,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,681,189 : 1,093,021,741.98 = 204,127,953.46 : x
  2. Step 2: Convert to fraction form
    728,681,189/1,093,021,741.98 = 204,127,953.46/x
  3. Step 3: Cross multiply
    728,681,189x = 1,093,021,741.98 × 204,127,953.46
  4. Step 4: Simplify right side
    728,681,189x = 223,116,291,277,661,568
  5. Step 5: Solve for x
    x = 223,116,291,277,661,568/728,681,189
  6. Step 6: Final answer
    x = 306,191,918.56

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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.