Home / 533,844,836.80-800,767,255.20-419,183,051.20

Finding the Fourth Proportional to 533,844,836.80, 800,767,255.20 and 419,183,051.20

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Solution

The fourth proportional to 533,844,836.80, 800,767,255.20 and 419,183,051.20 is: 628,774,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,844,836.80 : 800,767,255.20 = 419,183,051.20 : x
  2. Step 2: Convert to fraction form
    533,844,836.80/800,767,255.20 = 419,183,051.20/x
  3. Step 3: Cross multiply
    533,844,836.80x = 800,767,255.20 × 419,183,051.20
  4. Step 4: Simplify right side
    533,844,836.80x = 335,668,061,335,785,088
  5. Step 5: Solve for x
    x = 335,668,061,335,785,088/533,844,836.80
  6. Step 6: Final answer
    x = 628,774,576.80

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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.