Home / 1,818,857,738.40-2,728,286,607.60-654,364,219.20

Finding the Fourth Proportional to 1,818,857,738.40, 2,728,286,607.60 and 654,364,219.20

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Solution

The fourth proportional to 1,818,857,738.40, 2,728,286,607.60 and 654,364,219.20 is: 981,546,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,857,738.40 : 2,728,286,607.60 = 654,364,219.20 : x
  2. Step 2: Convert to fraction form
    1,818,857,738.40/2,728,286,607.60 = 654,364,219.20/x
  3. Step 3: Cross multiply
    1,818,857,738.40x = 2,728,286,607.60 × 654,364,219.20
  4. Step 4: Simplify right side
    1,818,857,738.40x = 1,785,293,135,735,990,784
  5. Step 5: Solve for x
    x = 1,785,293,135,735,990,784/1,818,857,738.40
  6. Step 6: Final answer
    x = 981,546,328.80

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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.