Home / 579,909,004.72-800,443,060.94-378,996,103.10

Finding the Fourth Proportional to 579,909,004.72, 800,443,060.94 and 378,996,103.10

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Solution

The fourth proportional to 579,909,004.72, 800,443,060.94 and 378,996,103.10 is: 523,124,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,909,004.72 : 800,443,060.94 = 378,996,103.10 : x
  2. Step 2: Convert to fraction form
    579,909,004.72/800,443,060.94 = 378,996,103.10/x
  3. Step 3: Cross multiply
    579,909,004.72x = 800,443,060.94 × 378,996,103.10
  4. Step 4: Simplify right side
    579,909,004.72x = 303,364,800,847,800,832
  5. Step 5: Solve for x
    x = 303,364,800,847,800,832/579,909,004.72
  6. Step 6: Final answer
    x = 523,124,832.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.