Home / 533,841,019.80-800,761,529.70-419,179,234.20

Finding the Fourth Proportional to 533,841,019.80, 800,761,529.70 and 419,179,234.20

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Solution

The fourth proportional to 533,841,019.80, 800,761,529.70 and 419,179,234.20 is: 628,768,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,841,019.80 : 800,761,529.70 = 419,179,234.20 : x
  2. Step 2: Convert to fraction form
    533,841,019.80/800,761,529.70 = 419,179,234.20/x
  3. Step 3: Cross multiply
    533,841,019.80x = 800,761,529.70 × 419,179,234.20
  4. Step 4: Simplify right side
    533,841,019.80x = 335,662,604,796,466,560
  5. Step 5: Solve for x
    x = 335,662,604,796,466,560/533,841,019.80
  6. Step 6: Final answer
    x = 628,768,851.30

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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.