Home / 462,957,163.39-639,411,118.80-304,893,863.42

Finding the Fourth Proportional to 462,957,163.39, 639,411,118.80 and 304,893,863.42

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Solution

The fourth proportional to 462,957,163.39, 639,411,118.80 and 304,893,863.42 is: 421,102,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,957,163.39 : 639,411,118.80 = 304,893,863.42 : x
  2. Step 2: Convert to fraction form
    462,957,163.39/639,411,118.80 = 304,893,863.42/x
  3. Step 3: Cross multiply
    462,957,163.39x = 639,411,118.80 × 304,893,863.42
  4. Step 4: Simplify right side
    462,957,163.39x = 194,952,526,324,636,576
  5. Step 5: Solve for x
    x = 194,952,526,324,636,576/462,957,163.39
  6. Step 6: Final answer
    x = 421,102,732.05

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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.