Home / 1,981,724,969.52-2,970,623,956.37-930,581,523.27

Finding the Fourth Proportional to 1,981,724,969.52, 2,970,623,956.37 and 930,581,523.27

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Solution

The fourth proportional to 1,981,724,969.52, 2,970,623,956.37 and 930,581,523.27 is: 1,394,950,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,724,969.52 : 2,970,623,956.37 = 930,581,523.27 : x
  2. Step 2: Convert to fraction form
    1,981,724,969.52/2,970,623,956.37 = 930,581,523.27/x
  3. Step 3: Cross multiply
    1,981,724,969.52x = 2,970,623,956.37 × 930,581,523.27
  4. Step 4: Simplify right side
    1,981,724,969.52x = 2,764,407,766,376,495,616
  5. Step 5: Solve for x
    x = 2,764,407,766,376,495,616/1,981,724,969.52
  6. Step 6: Final answer
    x = 1,394,950,262.47

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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.