Home / 463,952,414.96-639,659,985.36-380,011,311.44

Finding the Fourth Proportional to 463,952,414.96, 639,659,985.36 and 380,011,311.44

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Solution

The fourth proportional to 463,952,414.96, 639,659,985.36 and 380,011,311.44 is: 523,928,795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,952,414.96 : 639,659,985.36 = 380,011,311.44 : x
  2. Step 2: Convert to fraction form
    463,952,414.96/639,659,985.36 = 380,011,311.44/x
  3. Step 3: Cross multiply
    463,952,414.96x = 639,659,985.36 × 380,011,311.44
  4. Step 4: Simplify right side
    463,952,414.96x = 243,078,029,912,344,800
  5. Step 5: Solve for x
    x = 243,078,029,912,344,800/463,952,414.96
  6. Step 6: Final answer
    x = 523,928,795.44

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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.