Home / 271,373,493.60-407,105,643.30-213,078,819.96

Finding the Fourth Proportional to 271,373,493.60, 407,105,643.30 and 213,078,819.96

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Solution

The fourth proportional to 271,373,493.60, 407,105,643.30 and 213,078,819.96 is: 319,653,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,373,493.60 : 407,105,643.30 = 213,078,819.96 : x
  2. Step 2: Convert to fraction form
    271,373,493.60/407,105,643.30 = 213,078,819.96/x
  3. Step 3: Cross multiply
    271,373,493.60x = 407,105,643.30 × 213,078,819.96
  4. Step 4: Simplify right side
    271,373,493.60x = 86,745,590,073,420,688
  5. Step 5: Solve for x
    x = 86,745,590,073,420,688/271,373,493.60
  6. Step 6: Final answer
    x = 319,653,879.69

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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.