Home / 636,949,420.57-955,479,304.82-194,391,664.89

Finding the Fourth Proportional to 636,949,420.57, 955,479,304.82 and 194,391,664.89

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Solution

The fourth proportional to 636,949,420.57, 955,479,304.82 and 194,391,664.89 is: 291,604,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,949,420.57 : 955,479,304.82 = 194,391,664.89 : x
  2. Step 2: Convert to fraction form
    636,949,420.57/955,479,304.82 = 194,391,664.89/x
  3. Step 3: Cross multiply
    636,949,420.57x = 955,479,304.82 × 194,391,664.89
  4. Step 4: Simplify right side
    636,949,420.57x = 185,737,212,831,899,584
  5. Step 5: Solve for x
    x = 185,737,212,831,899,584/636,949,420.57
  6. Step 6: Final answer
    x = 291,604,335.97

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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.