Home / 533,845,666.30-800,768,499.45-419,183,880.70

Finding the Fourth Proportional to 533,845,666.30, 800,768,499.45 and 419,183,880.70

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Solution

The fourth proportional to 533,845,666.30, 800,768,499.45 and 419,183,880.70 is: 628,775,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,845,666.30 : 800,768,499.45 = 419,183,880.70 : x
  2. Step 2: Convert to fraction form
    533,845,666.30/800,768,499.45 = 419,183,880.70/x
  3. Step 3: Cross multiply
    533,845,666.30x = 800,768,499.45 × 419,183,880.70
  4. Step 4: Simplify right side
    533,845,666.30x = 335,669,247,141,766,848
  5. Step 5: Solve for x
    x = 335,669,247,141,766,848/533,845,666.30
  6. Step 6: Final answer
    x = 628,775,821.05

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1.5x scale

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.