Home / 462,957,162.89-639,411,118.11-304,893,862.92

Finding the Fourth Proportional to 462,957,162.89, 639,411,118.11 and 304,893,862.92

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Solution

The fourth proportional to 462,957,162.89, 639,411,118.11 and 304,893,862.92 is: 421,102,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,957,162.89 : 639,411,118.11 = 304,893,862.92 : x
  2. Step 2: Convert to fraction form
    462,957,162.89/639,411,118.11 = 304,893,862.92/x
  3. Step 3: Cross multiply
    462,957,162.89x = 639,411,118.11 × 304,893,862.92
  4. Step 4: Simplify right side
    462,957,162.89x = 194,952,525,794,554,272
  5. Step 5: Solve for x
    x = 194,952,525,794,554,272/462,957,162.89
  6. Step 6: Final answer
    x = 421,102,731.36

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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.