Home / 366,972,676.72-550,184,070.90-221,372,298.78

Finding the Fourth Proportional to 366,972,676.72, 550,184,070.90 and 221,372,298.78

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Solution

The fourth proportional to 366,972,676.72, 550,184,070.90 and 221,372,298.78 is: 331,892,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,972,676.72 : 550,184,070.90 = 221,372,298.78 : x
  2. Step 2: Convert to fraction form
    366,972,676.72/550,184,070.90 = 221,372,298.78/x
  3. Step 3: Cross multiply
    366,972,676.72x = 550,184,070.90 × 221,372,298.78
  4. Step 4: Simplify right side
    366,972,676.72x = 121,795,512,527,271,504
  5. Step 5: Solve for x
    x = 121,795,512,527,271,504/366,972,676.72
  6. Step 6: Final answer
    x = 331,892,591.07

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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.