Home / 351,804,099.63-485,287,951.48-219,415,252.82

Finding the Fourth Proportional to 351,804,099.63, 485,287,951.48 and 219,415,252.82

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Solution

The fourth proportional to 351,804,099.63, 485,287,951.48 and 219,415,252.82 is: 302,667,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,804,099.63 : 485,287,951.48 = 219,415,252.82 : x
  2. Step 2: Convert to fraction form
    351,804,099.63/485,287,951.48 = 219,415,252.82/x
  3. Step 3: Cross multiply
    351,804,099.63x = 485,287,951.48 × 219,415,252.82
  4. Step 4: Simplify right side
    351,804,099.63x = 106,479,578,560,960,576
  5. Step 5: Solve for x
    x = 106,479,578,560,960,576/351,804,099.63
  6. Step 6: Final answer
    x = 302,667,247.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.