Home / 768,829,043.10-1,153,369,224.81-251,109,183.90

Finding the Fourth Proportional to 768,829,043.10, 1,153,369,224.81 and 251,109,183.90

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Solution

The fourth proportional to 768,829,043.10, 1,153,369,224.81 and 251,109,183.90 is: 376,704,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,829,043.10 : 1,153,369,224.81 = 251,109,183.90 : x
  2. Step 2: Convert to fraction form
    768,829,043.10/1,153,369,224.81 = 251,109,183.90/x
  3. Step 3: Cross multiply
    768,829,043.10x = 1,153,369,224.81 × 251,109,183.90
  4. Step 4: Simplify right side
    768,829,043.10x = 289,621,604,777,414,720
  5. Step 5: Solve for x
    x = 289,621,604,777,414,720/768,829,043.10
  6. Step 6: Final answer
    x = 376,704,818.03

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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.