Home / 635,997,180.38-953,995,991.69-199,331,745.08

Finding the Fourth Proportional to 635,997,180.38, 953,995,991.69 and 199,331,745.08

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Solution

The fourth proportional to 635,997,180.38, 953,995,991.69 and 199,331,745.08 is: 298,997,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,997,180.38 : 953,995,991.69 = 199,331,745.08 : x
  2. Step 2: Convert to fraction form
    635,997,180.38/953,995,991.69 = 199,331,745.08/x
  3. Step 3: Cross multiply
    635,997,180.38x = 953,995,991.69 × 199,331,745.08
  4. Step 4: Simplify right side
    635,997,180.38x = 190,161,685,818,621,216
  5. Step 5: Solve for x
    x = 190,161,685,818,621,216/635,997,180.38
  6. Step 6: Final answer
    x = 298,997,686.92

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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.