Home / 267,988,012,847.80-401,982,019,271.70-266,128,394,500.60

Finding the Fourth Proportional to 267,988,012,847.80, 401,982,019,271.70 and 266,128,394,500.60

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Solution

The fourth proportional to 267,988,012,847.80, 401,982,019,271.70 and 266,128,394,500.60 is: 399,192,591,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,988,012,847.80 : 401,982,019,271.70 = 266,128,394,500.60 : x
  2. Step 2: Convert to fraction form
    267,988,012,847.80/401,982,019,271.70 = 266,128,394,500.60/x
  3. Step 3: Cross multiply
    267,988,012,847.80x = 401,982,019,271.70 × 266,128,394,500.60
  4. Step 4: Simplify right side
    267,988,012,847.80x = 106,978,829,406,886,778,896,384
  5. Step 5: Solve for x
    x = 106,978,829,406,886,778,896,384/267,988,012,847.80
  6. Step 6: Final answer
    x = 399,192,591,750.90

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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.