Home / 312,171,316.80-467,753,090.40-260,775,067.20

Finding the Fourth Proportional to 312,171,316.80, 467,753,090.40 and 260,775,067.20

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Solution

The fourth proportional to 312,171,316.80, 467,753,090.40 and 260,775,067.20 is: 390,741,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,171,316.80 : 467,753,090.40 = 260,775,067.20 : x
  2. Step 2: Convert to fraction form
    312,171,316.80/467,753,090.40 = 260,775,067.20/x
  3. Step 3: Cross multiply
    312,171,316.80x = 467,753,090.40 × 260,775,067.20
  4. Step 4: Simplify right side
    312,171,316.80x = 121,978,343,582,067,664
  5. Step 5: Solve for x
    x = 121,978,343,582,067,664/312,171,316.80
  6. Step 6: Final answer
    x = 390,741,676.18

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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.