Home / 651,459,654.72-976,982,135.04-214,678,857.60

Finding the Fourth Proportional to 651,459,654.72, 976,982,135.04 and 214,678,857.60

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Solution

The fourth proportional to 651,459,654.72, 976,982,135.04 and 214,678,857.60 is: 321,949,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,459,654.72 : 976,982,135.04 = 214,678,857.60 : x
  2. Step 2: Convert to fraction form
    651,459,654.72/976,982,135.04 = 214,678,857.60/x
  3. Step 3: Cross multiply
    651,459,654.72x = 976,982,135.04 × 214,678,857.60
  4. Step 4: Simplify right side
    651,459,654.72x = 209,737,408,645,996,128
  5. Step 5: Solve for x
    x = 209,737,408,645,996,128/651,459,654.72
  6. Step 6: Final answer
    x = 321,949,958.26

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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.