Home / 267,988,009,009.80-401,982,013,514.70-266,128,390,662.60

Finding the Fourth Proportional to 267,988,009,009.80, 401,982,013,514.70 and 266,128,390,662.60

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Solution

The fourth proportional to 267,988,009,009.80, 401,982,013,514.70 and 266,128,390,662.60 is: 399,192,585,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,988,009,009.80 : 401,982,013,514.70 = 266,128,390,662.60 : x
  2. Step 2: Convert to fraction form
    267,988,009,009.80/401,982,013,514.70 = 266,128,390,662.60/x
  3. Step 3: Cross multiply
    267,988,009,009.80x = 401,982,013,514.70 × 266,128,390,662.60
  4. Step 4: Simplify right side
    267,988,009,009.80x = 106,978,826,331,978,645,635,072
  5. Step 5: Solve for x
    x = 106,978,826,331,978,645,635,072/267,988,009,009.80
  6. Step 6: Final answer
    x = 399,192,585,993.90

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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.