Home / 405,838,285.28-608,498,483.88-267,504,178.40

Finding the Fourth Proportional to 405,838,285.28, 608,498,483.88 and 267,504,178.40

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Solution

The fourth proportional to 405,838,285.28, 608,498,483.88 and 267,504,178.40 is: 401,085,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,838,285.28 : 608,498,483.88 = 267,504,178.40 : x
  2. Step 2: Convert to fraction form
    405,838,285.28/608,498,483.88 = 267,504,178.40/x
  3. Step 3: Cross multiply
    405,838,285.28x = 608,498,483.88 × 267,504,178.40
  4. Step 4: Simplify right side
    405,838,285.28x = 162,775,886,987,965,056
  5. Step 5: Solve for x
    x = 162,775,886,987,965,056/405,838,285.28
  6. Step 6: Final answer
    x = 401,085,587.27

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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.