Home / 267,988,006,288.80-401,982,009,433.20-266,128,387,941.60

Finding the Fourth Proportional to 267,988,006,288.80, 401,982,009,433.20 and 266,128,387,941.60

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Solution

The fourth proportional to 267,988,006,288.80, 401,982,009,433.20 and 266,128,387,941.60 is: 399,192,581,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,988,006,288.80 : 401,982,009,433.20 = 266,128,387,941.60 : x
  2. Step 2: Convert to fraction form
    267,988,006,288.80/401,982,009,433.20 = 266,128,387,941.60/x
  3. Step 3: Cross multiply
    267,988,006,288.80x = 401,982,009,433.20 × 266,128,387,941.60
  4. Step 4: Simplify right side
    267,988,006,288.80x = 106,978,824,151,982,564,966,400
  5. Step 5: Solve for x
    x = 106,978,824,151,982,564,966,400/267,988,006,288.80
  6. Step 6: Final answer
    x = 399,192,581,912.40

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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.