Home / 267,988,010,658.80-401,982,015,988.20-266,128,392,311.60

Finding the Fourth Proportional to 267,988,010,658.80, 401,982,015,988.20 and 266,128,392,311.60

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Solution

The fourth proportional to 267,988,010,658.80, 401,982,015,988.20 and 266,128,392,311.60 is: 399,192,588,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,988,010,658.80 : 401,982,015,988.20 = 266,128,392,311.60 : x
  2. Step 2: Convert to fraction form
    267,988,010,658.80/401,982,015,988.20 = 266,128,392,311.60/x
  3. Step 3: Cross multiply
    267,988,010,658.80x = 401,982,015,988.20 × 266,128,392,311.60
  4. Step 4: Simplify right side
    267,988,010,658.80x = 106,978,827,653,115,551,940,608
  5. Step 5: Solve for x
    x = 106,978,827,653,115,551,940,608/267,988,010,658.80
  6. Step 6: Final answer
    x = 399,192,588,467.40

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1.5x scale

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.