Home / 279,744,015.40-419,616,023.10-274,369,244.20

Finding the Fourth Proportional to 279,744,015.40, 419,616,023.10 and 274,369,244.20

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Solution

The fourth proportional to 279,744,015.40, 419,616,023.10 and 274,369,244.20 is: 411,553,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,744,015.40 : 419,616,023.10 = 274,369,244.20 : x
  2. Step 2: Convert to fraction form
    279,744,015.40/419,616,023.10 = 274,369,244.20/x
  3. Step 3: Cross multiply
    279,744,015.40x = 419,616,023.10 × 274,369,244.20
  4. Step 4: Simplify right side
    279,744,015.40x = 115,129,731,112,156,736
  5. Step 5: Solve for x
    x = 115,129,731,112,156,736/279,744,015.40
  6. Step 6: Final answer
    x = 411,553,866.30

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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.