Home / 509,301,097.20-763,951,645.80-276,848,803.80

Finding the Fourth Proportional to 509,301,097.20, 763,951,645.80 and 276,848,803.80

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Solution

The fourth proportional to 509,301,097.20, 763,951,645.80 and 276,848,803.80 is: 415,273,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,301,097.20 : 763,951,645.80 = 276,848,803.80 : x
  2. Step 2: Convert to fraction form
    509,301,097.20/763,951,645.80 = 276,848,803.80/x
  3. Step 3: Cross multiply
    509,301,097.20x = 763,951,645.80 × 276,848,803.80
  4. Step 4: Simplify right side
    509,301,097.20x = 211,499,099,300,771,296
  5. Step 5: Solve for x
    x = 211,499,099,300,771,296/509,301,097.20
  6. Step 6: Final answer
    x = 415,273,205.70

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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.