Home / 512,440,723.03-768,338,086.50-434,744,836.15

Finding the Fourth Proportional to 512,440,723.03, 768,338,086.50 and 434,744,836.15

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Solution

The fourth proportional to 512,440,723.03, 768,338,086.50 and 434,744,836.15 is: 651,843,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,440,723.03 : 768,338,086.50 = 434,744,836.15 : x
  2. Step 2: Convert to fraction form
    512,440,723.03/768,338,086.50 = 434,744,836.15/x
  3. Step 3: Cross multiply
    512,440,723.03x = 768,338,086.50 × 434,744,836.15
  4. Step 4: Simplify right side
    512,440,723.03x = 334,031,015,523,247,040
  5. Step 5: Solve for x
    x = 334,031,015,523,247,040/512,440,723.03
  6. Step 6: Final answer
    x = 651,843,228.91

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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.