Home / 649,321,279.98-896,074,847.83-351,973,396.86

Finding the Fourth Proportional to 649,321,279.98, 896,074,847.83 and 351,973,396.86

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Solution

The fourth proportional to 649,321,279.98, 896,074,847.83 and 351,973,396.86 is: 485,729,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,321,279.98 : 896,074,847.83 = 351,973,396.86 : x
  2. Step 2: Convert to fraction form
    649,321,279.98/896,074,847.83 = 351,973,396.86/x
  3. Step 3: Cross multiply
    649,321,279.98x = 896,074,847.83 × 351,973,396.86
  4. Step 4: Simplify right side
    649,321,279.98x = 315,394,508,028,612,352
  5. Step 5: Solve for x
    x = 315,394,508,028,612,352/649,321,279.98
  6. Step 6: Final answer
    x = 485,729,511.34

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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.