Home / 405,838,286.28-608,498,485.38-267,504,179.40

Finding the Fourth Proportional to 405,838,286.28, 608,498,485.38 and 267,504,179.40

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Solution

The fourth proportional to 405,838,286.28, 608,498,485.38 and 267,504,179.40 is: 401,085,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,838,286.28 : 608,498,485.38 = 267,504,179.40 : x
  2. Step 2: Convert to fraction form
    405,838,286.28/608,498,485.38 = 267,504,179.40/x
  3. Step 3: Cross multiply
    405,838,286.28x = 608,498,485.38 × 267,504,179.40
  4. Step 4: Simplify right side
    405,838,286.28x = 162,775,887,997,719,808
  5. Step 5: Solve for x
    x = 162,775,887,997,719,808/405,838,286.28
  6. Step 6: Final answer
    x = 401,085,588.77

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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.