Home / 711,550,600.13-981,800,179.56-447,079,355.33

Finding the Fourth Proportional to 711,550,600.13, 981,800,179.56 and 447,079,355.33

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Solution

The fourth proportional to 711,550,600.13, 981,800,179.56 and 447,079,355.33 is: 616,881,766.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,550,600.13 : 981,800,179.56 = 447,079,355.33 : x
  2. Step 2: Convert to fraction form
    711,550,600.13/981,800,179.56 = 447,079,355.33/x
  3. Step 3: Cross multiply
    711,550,600.13x = 981,800,179.56 × 447,079,355.33
  4. Step 4: Simplify right side
    711,550,600.13x = 438,942,591,340,563,008
  5. Step 5: Solve for x
    x = 438,942,591,340,563,008/711,550,600.13
  6. Step 6: Final answer
    x = 616,881,766.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.