Home / 980,981,060.80-1,471,220,737.44-290,727,313.60

Finding the Fourth Proportional to 980,981,060.80, 1,471,220,737.44 and 290,727,313.60

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Solution

The fourth proportional to 980,981,060.80, 1,471,220,737.44 and 290,727,313.60 is: 436,016,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,981,060.80 : 1,471,220,737.44 = 290,727,313.60 : x
  2. Step 2: Convert to fraction form
    980,981,060.80/1,471,220,737.44 = 290,727,313.60/x
  3. Step 3: Cross multiply
    980,981,060.80x = 1,471,220,737.44 × 290,727,313.60
  4. Step 4: Simplify right side
    980,981,060.80x = 427,724,052,708,542,208
  5. Step 5: Solve for x
    x = 427,724,052,708,542,208/980,981,060.80
  6. Step 6: Final answer
    x = 436,016,626.42

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1.5x scale

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.