Home / 1,045,354,191.37-1,568,024,311.87-423,560,249.75

Finding the Fourth Proportional to 1,045,354,191.37, 1,568,024,311.87 and 423,560,249.75

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Solution

The fourth proportional to 1,045,354,191.37, 1,568,024,311.87 and 423,560,249.75 is: 635,337,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,354,191.37 : 1,568,024,311.87 = 423,560,249.75 : x
  2. Step 2: Convert to fraction form
    1,045,354,191.37/1,568,024,311.87 = 423,560,249.75/x
  3. Step 3: Cross multiply
    1,045,354,191.37x = 1,568,024,311.87 × 423,560,249.75
  4. Step 4: Simplify right side
    1,045,354,191.37x = 664,152,769,154,157,440
  5. Step 5: Solve for x
    x = 664,152,769,154,157,440/1,045,354,191.37
  6. Step 6: Final answer
    x = 635,337,548.40

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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.