Home / 1,981,724,971.02-2,970,623,958.60-930,581,524.77

Finding the Fourth Proportional to 1,981,724,971.02, 2,970,623,958.60 and 930,581,524.77

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Solution

The fourth proportional to 1,981,724,971.02, 2,970,623,958.60 and 930,581,524.77 is: 1,394,950,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,724,971.02 : 2,970,623,958.60 = 930,581,524.77 : x
  2. Step 2: Convert to fraction form
    1,981,724,971.02/2,970,623,958.60 = 930,581,524.77/x
  3. Step 3: Cross multiply
    1,981,724,971.02x = 2,970,623,958.60 × 930,581,524.77
  4. Step 4: Simplify right side
    1,981,724,971.02x = 2,764,407,772,912,281,088
  5. Step 5: Solve for x
    x = 2,764,407,772,912,281,088/1,981,724,971.02
  6. Step 6: Final answer
    x = 1,394,950,264.71

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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.