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Finding the Fourth Proportional to 462,957,164.88, 639,411,120.88 and 304,893,864.92

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Solution

The fourth proportional to 462,957,164.88, 639,411,120.88 and 304,893,864.92 is: 421,102,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,957,164.88 : 639,411,120.88 = 304,893,864.92 : x
  2. Step 2: Convert to fraction form
    462,957,164.88/639,411,120.88 = 304,893,864.92/x
  3. Step 3: Cross multiply
    462,957,164.88x = 639,411,120.88 × 304,893,864.92
  4. Step 4: Simplify right side
    462,957,164.88x = 194,952,527,917,932,512
  5. Step 5: Solve for x
    x = 194,952,527,917,932,512/462,957,164.88
  6. Step 6: Final answer
    x = 421,102,734.13

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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.