Home / 279,376,662.52-419,244,355.86-187,364,296.45

Finding the Fourth Proportional to 279,376,662.52, 419,244,355.86 and 187,364,296.45

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Solution

The fourth proportional to 279,376,662.52, 419,244,355.86 and 187,364,296.45 is: 281,166,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,376,662.52 : 419,244,355.86 = 187,364,296.45 : x
  2. Step 2: Convert to fraction form
    279,376,662.52/419,244,355.86 = 187,364,296.45/x
  3. Step 3: Cross multiply
    279,376,662.52x = 419,244,355.86 × 187,364,296.45
  4. Step 4: Simplify right side
    279,376,662.52x = 78,551,423,776,342,336
  5. Step 5: Solve for x
    x = 78,551,423,776,342,336/279,376,662.52
  6. Step 6: Final answer
    x = 281,166,734.07

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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.