Home / 641,603,615.78-962,251,327.10-296,225,402.42

Finding the Fourth Proportional to 641,603,615.78, 962,251,327.10 and 296,225,402.42

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Solution

The fourth proportional to 641,603,615.78, 962,251,327.10 and 296,225,402.42 is: 444,266,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,603,615.78 : 962,251,327.10 = 296,225,402.42 : x
  2. Step 2: Convert to fraction form
    641,603,615.78/962,251,327.10 = 296,225,402.42/x
  3. Step 3: Cross multiply
    641,603,615.78x = 962,251,327.10 × 296,225,402.42
  4. Step 4: Simplify right side
    641,603,615.78x = 285,043,286,599,376,576
  5. Step 5: Solve for x
    x = 285,043,286,599,376,576/641,603,615.78
  6. Step 6: Final answer
    x = 444,266,957.96

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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.