Home / 1,498,765,831.38-2,068,214,906.98-820,451,561.71

Finding the Fourth Proportional to 1,498,765,831.38, 2,068,214,906.98 and 820,451,561.71

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Solution

The fourth proportional to 1,498,765,831.38, 2,068,214,906.98 and 820,451,561.71 is: 1,132,178,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,765,831.38 : 2,068,214,906.98 = 820,451,561.71 : x
  2. Step 2: Convert to fraction form
    1,498,765,831.38/2,068,214,906.98 = 820,451,561.71/x
  3. Step 3: Cross multiply
    1,498,765,831.38x = 2,068,214,906.98 × 820,451,561.71
  4. Step 4: Simplify right side
    1,498,765,831.38x = 1,696,870,150,383,643,392
  5. Step 5: Solve for x
    x = 1,696,870,150,383,643,392/1,498,765,831.38
  6. Step 6: Final answer
    x = 1,132,178,299.54

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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.